Charles Babbage - wikipedia Charles Babbage This is the latest accepted revision, reviewed on 20 December 2017. `` Babbage '' redirects here. For other uses, see Babbage ( disambiguation ). Charles Babbage FRS Charles Babbage ( 1791 - 12 - 26 ) 26 December 1791 London ( likely, Southwark ) 18 October 1871 ( 1871 - 10 - 18 ) ( aged 79 ) Marylebone, London, UK Alma mater Peterhouse, Cambridge Known for Mathematics, engineering, early computing Scientific career Fields Mathematics, engineering, political economy, computer science Institutions Trinity College, Cambridge Influences Robert Woodhouse, Gaspard Monge, John Herschel Influenced Karl Marx, John Stuart Mill, Ada Lovelace Signature Charles Babbage KH FRS ( / ˈbæbɪdʒ / ; 26 December 1791 -- 18 October 1871 ) was an English polymath. A mathematician, philosopher, inventor and mechanical engineer, Babbage originated the concept of a digital programmable computer. Considered by some to be a `` father of the computer '', Babbage is credited with inventing the first mechanical computer that eventually led to more complex electronic designs, though all the essential ideas of modern computers are to be found in Babbage 's analytical engine. His varied work in other fields has led him to be described as `` pre-eminent '' among the many polymaths of his century. Parts of Babbage 's incomplete mechanisms are on display in the Science Museum in London. In 1991, a functioning difference engine was constructed from Babbage 's original plans. Built to tolerances achievable in the 19th century, the success of the finished engine indicated that Babbage 's machine would have worked. Contents 1 Early life 2 At the University of Cambridge 3 After Cambridge 3.1 Astronomical Society 3.2 British Lagrangian School 4 Academic 4.1 `` Declinarians '', learned societies and the BAAS 4.2 On the Economy of Machinery and Manufactures 4.2. 1 `` Babbage principle '' 4.2. 2 Publishing 4.2. 3 Influence 4.3 Natural theology 4.4 Religious views 5 Later life 5.1 Metrology programme 5.2 Engineer and inventor 5.3 Cryptography 5.4 Public nuisances 6 Computing pioneer 6.1 Background on mathematical tables 6.2 Difference engine 6.2. 1 Completed models 6.3 Analytical Engine 6.4 Ada Lovelace and Italian followers 6.5 Swedish followers 6.6 Legacy 7 Family 8 Death 8.1 Autopsy report 9 Memorials 10 In fiction and film 11 Publications 12 See also 13 Notes 14 References 15 External links Early Life Babbage 's birthplace is disputed, but according to the Oxford Dictionary of National Biography he was most likely born at 44 Crosby Row, Walworth Road, London, England. A blue plaque on the junction of Larcom Street and Walworth Road commemorates the event. His date of birth was given in his obituary in The Times as 26 December 1792 ; but then a nephew wrote to say that Babbage was born one year earlier, in 1791. The parish register of St. Mary 's Newington, London, shows that Babbage was baptised on 6 January 1792, supporting a birth year of 1791. Babbage c. 1850 Babbage was one of four children of Benjamin Babbage and Betsy Plumleigh Teape. His father was a banking partner of William Praed in founding Praed 's & Co. of Fleet Street, London, in 1801. In 1808, the Babbage family moved into the old Rowdens house in East Teignmouth. Around the age of eight, Babbage was sent to a country school in Alphington near Exeter to recover from a life - threatening fever. For a short time he attended King Edward VI Grammar School in Totnes, South Devon, but his health forced him back to private tutors for a time. Babbage then joined the 30 - student Holmwood academy, in Baker Street, Enfield, Middlesex, under the Reverend Stephen Freeman. The academy had a library that prompted Babbage 's love of mathematics. He studied with two more private tutors after leaving the academy. The first was a clergyman near Cambridge ; through him Babbage encountered Charles Simeon and his evangelical followers, but the tuition was not what he needed. He was brought home, to study at the Totnes school : this was at age 16 or 17. The second was an Oxford tutor, under whom Babbage reached a level in Classics sufficient to be accepted by Cambridge. At the University of Cambridge Babbage arrived at Trinity College, Cambridge, in October 1810. He was already self - taught in some parts of contemporary mathematics ; he had read in Robert Woodhouse, Joseph Louis Lagrange, and Marie Agnesi. As a result, he was disappointed in the standard mathematical instruction available at the university. Babbage, John Herschel, George Peacock, and several other friends formed the Analytical Society in 1812 ; they were also close to Edward Ryan. As a student, Babbage was also a member of other societies such as The Ghost Club, concerned with investigating supernatural phenomena, and the Extractors Club, dedicated to liberating its members from the madhouse, should any be committed to one. In 1812 Babbage transferred to Peterhouse, Cambridge. He was the top mathematician there, but did not graduate with honours. He instead received a degree without examination in 1814. He had defended a thesis that was considered blasphemous in the preliminary public disputation ; but it is not known whether this fact is related to his not sitting the examination. After Cambridge Considering his reputation, Babbage quickly made progress. He lectured to the Royal Institution on astronomy in 1815, and was elected a Fellow of the Royal Society in 1816. After graduation, on the other hand, he applied for positions unsuccessfully, and had little in the way of career. In 1816 he was a candidate for a teaching job at Haileybury College ; he had recommendations from James Ivory and John Playfair, but lost out to Henry Walter. In 1819, Babbage and Herschel visited Paris and the Society of Arcueil, meeting leading French mathematicians and physicists. That year Babbage applied to be professor at the University of Edinburgh, with the recommendation of Pierre Simon Laplace ; the post went to William Wallace. With Herschel, Babbage worked on the electrodynamics of Arago 's rotations, publishing in 1825. Their explanations were only transitional, being picked up and broadened by Michael Faraday. The phenomena are now part of the theory of eddy currents, and Babbage and Herschel missed some of the clues to unification of electromagnetic theory, staying close to Ampère 's force law. Babbage purchased the actuarial tables of George Barrett, who died in 1821 leaving unpublished work, and surveyed the field in 1826 in Comparative View of the Various Institutions for the Assurance of Lives. This interest followed a project to set up an insurance company, prompted by Francis Baily and mooted in 1824, but not carried out. Babbage did calculate actuarial tables for that scheme, using Equitable Society mortality data from 1762 onwards. During this whole period Babbage depended awkwardly on his father 's support, given his father 's attitude to his early marriage, of 1814 : he and Edward Ryan wedded the Whitmore sisters. He made a home in Marylebone in London, and founded a large family. On his father 's death in 1827, Babbage inherited a large estate ( value around £ 100,000, equivalent to £ 7.94 million or $10.7 million today ), making him independently wealthy. After his wife 's death in the same year he spent time travelling. In Italy he met Leopold II, Grand Duke of Tuscany, foreshadowing a later visit to Piedmont. In April 1828 he was in Rome, and relying on Herschel to manage the difference engine project, when he heard that he had become professor at Cambridge, a position he had three times failed to obtain ( in 1820, 1823 and 1826 ). Astronomical Society Babbage was instrumental in founding the Astronomical Society in 1820. Its initial aims were to reduce astronomical calculations to a more standard form, and to circulate data. These directions were closely connected with Babbage 's ideas on computation, and in 1824 he won its Gold Medal, cited `` for his invention of an engine for calculating mathematical and astronomical tables ''. Babbage 's motivation to overcome errors in tables by mechanisation has been a commonplace since Dionysius Lardner wrote about it in 1834 in the Edinburgh Review ( under Babbage 's guidance ). The context of these developments is still debated. Babbage 's own account of the origin of the difference engine begins with the Astronomical Society 's wish to improve The Nautical Almanac. Babbage and Herschel were asked to oversee a trial project, to recalculate some part of those tables. With the results to hand, discrepancies were found. This was in 1821 or 1822, and was the occasion on which Babbage formulated his idea for mechanical computation. The issue of the Nautical Almanac is now described as a legacy of a polarisation in British science caused by attitudes to Sir Joseph Banks, who had died in 1820. A portion of the difference engine Babbage studied the requirements to establish a modern postal system, with his friend Thomas Frederick Colby, concluding there should be a uniform rate that was put into effect with the introduction of the Uniform Fourpenny Post supplanted by the Uniform Penny Post in 1839 and 1840. Colby was another of the founding group of the Society. He was also in charge of the Survey of Ireland. Herschel and Babbage were present at a celebrated operation of that survey, the remeasuring of the Lough Foyle baseline. British Lagrangian School The Analytical Society had initially been no more than an undergraduate provocation. During this period it had some more substantial achievements. In 1816 Babbage, Herschel and Peacock published a translation from French of the lectures of Sylvestre Lacroix, which was then the state - of - the - art calculus textbook. Reference to Lagrange in calculus terms marks out the application of what are now called formal power series. British mathematicians had used them from about 1730 to 1760. As re-introduced, they were not simply applied as notations in differential calculus. They opened up the fields of functional equations ( including the difference equations fundamental to the difference engine ) and operator ( D - module ) methods for differential equations. The analogy of difference and differential equations was notationally changing Δ to D, as a `` finite '' difference becomes `` infinitesimal ''. These symbolic directions became popular, as operational calculus, and pushed to the point of diminishing returns. The Cauchy concept of limit was kept at bay. Woodhouse had already founded this second `` British Lagrangian School '' with its treatment of Taylor series as formal. In this context function composition is complicated to express, because the chain rule is not simply applied to second and higher derivatives. This matter was known to Woodhouse by 1803, who took from Louis François Antoine Arbogast what is now called Faà di Bruno 's formula. In essence it was known to Abraham De Moivre ( 1697 ). Herschel found the method impressive, Babbage knew of it, and it was later noted by Ada Lovelace as compatible with the analytical engine. In the period to 1820 Babbage worked intensively on functional equations in general, and resisted both conventional finite differences and Arbogast 's approach ( in which Δ and D were related by the simple additive case of the exponential map ). But via Herschel he was influenced by Arbogast 's ideas in the matter of iteration, i.e. composing a function with itself, possibly many times. Writing in a major paper on functional equations in the Philosophical Transactions ( 1815 / 6 ), Babbage said his starting point was work of Gaspard Monge. Academic From 1828 to 1839 Babbage was Lucasian Professor of Mathematics at Cambridge. Not a conventional resident don, and inattentive to teaching, he wrote three topical books during this period of his life. He was elected a Foreign Honorary Member of the American Academy of Arts and Sciences in 1832. Babbage was out of sympathy with colleagues : George Biddell Airy, his predecessor as Lucasian Professor of Mathematics at Trinity College, Cambridge, thought an issue should be made of his lack of interest in lecturing. Babbage planned to lecture in 1831 on political economy. Babbage 's reforming direction looked to see university education more inclusive, universities doing more for research, a broader syllabus and more interest in applications ; but William Whewell found the programme unacceptable. A controversy Babbage had with Richard Jones lasted for six years. He never did give a lecture. It was during this period that Babbage tried to enter politics. Simon Schaffer writes that his views of the 1830s included disestablishment of the Church of England, a broader political franchise, and inclusion of manufacturers as stakeholders. He twice stood for Parliament as a candidate for the borough of Finsbury. In 1832 he came in third among five candidates, missing out by some 500 votes in the two - member constituency when two other reformist candidates, Thomas Wakley and Christopher Temple, split the vote. In his memoirs Babbage related how this election brought him the friendship of Samuel Rogers : his brother Henry Rogers wished to support Babbage again, but died within days. In 1834 Babbage finished last among four. In 1832, Babbage, Herschel and Ivory were appointed Knights of the Royal Guelphic Order, however they were not subsequently made knights bachelor to entitle them to the prefix Sir, which often came with appointments to that foreign order ( though Herschel was later created a baronet ). `` Declinarians '', learned societies and the BAAS Letter to sir Humphry Davy, 1822 Babbage now emerged as a polemicist. One of his biographers notes that all his books contain a `` campaigning element ''. His Reflections on the Decline of Science and some of its Causes ( 1830 ) stands out, however, for its sharp attacks. It aimed to improve British science, and more particularly to oust Davies Gilbert as President of the Royal Society, which Babbage wished to reform. It was written out of pique, when Babbage hoped to become the junior secretary of the Royal Society, as Herschel was the senior, but failed because of his antagonism to Humphry Davy. Michael Faraday had a reply written, by Gerrit Moll, as On the Alleged Decline of Science in England ( 1831 ). On the front of the Royal Society Babbage had no impact, with the bland election of the Duke of Sussex to succeed Gilbert the same year. As a broad manifesto, on the other hand, his Decline led promptly to the formation in 1831 of the British Association for the Advancement of Science ( BAAS ). The Mechanics ' Magazine in 1831 identified as Declinarians the followers of Babbage. In an unsympathetic tone it pointed out David Brewster writing in the Quarterly Review as another leader ; with the barb that both Babbage and Brewster had received public money. In the debate of the period on statistics ( qua data collection ) and what is now statistical inference, the BAAS in its Statistical Section ( which owed something also to Whewell ) opted for data collection. This Section was the sixth, established in 1833 with Babbage as chairman and John Elliot Drinkwater as secretary. The foundation of the Statistical Society followed. Babbage was its public face, backed by Richard Jones and Robert Malthus. On the Economy of Machinery and manufactures On the economy of machinery and manufactures, 1835 Babbage 's notation for machine parts, explanation from On a method of expressing by signs the action of machinery ( 1827 ) of his `` Mechanical Notation '', invented for his own use in understanding the work on the difference engine, and an influence on the conception of the analytical engine Babbage published On the Economy of Machinery and Manufactures ( 1832 ), on the organisation of industrial production. It was an influential early work of operational research. John Rennie the Younger in addressing the Institution of Civil Engineers on manufacturing in 1846 mentioned mostly surveys in encyclopaedias, and Babbage 's book was first an article in the Encyclopædia Metropolitana, the form in which Rennie noted it, in the company of related works by John Farey, Jr., Peter Barlow and Andrew Ure. From An essay on the general principles which regulate the application of machinery to manufactures and the mechanical arts ( 1827 ), which became the Encyclopædia Metropolitana article of 1829, Babbage developed the schematic classification of machines that, combined with discussion of factories, made up the first part of the book. The second part considered the `` domestic and political economy '' of manufactures. The book sold well, and quickly went to a fourth edition ( 1836 ). Babbage represented his work as largely a result of actual observations in factories, British and abroad. It was not, in its first edition, intended to address deeper questions of political economy ; the second ( late 1832 ) did, with three further chapters including one on piece rate. The book also contained ideas on rational design in factories, and profit sharing. `` Babbage principle '' In Economy of Machinery was described what is now called the `` Babbage principle ''. It pointed out commercial advantages available with more careful division of labour. As Babbage himself noted, it had already appeared in the work of Melchiorre Gioia in 1815. The term was introduced in 1974 by Harry Braverman. Related formulations are the `` principle of multiples '' of Philip Sargant Florence, and the `` balance of processes ''. What Babbage remarked is that skilled workers typically spend parts of their time performing tasks that are below their skill level. If the labour process can be divided among several workers, labour costs may be cut by assigning only high - skill tasks to high - cost workers, restricting other tasks to lower - paid workers. He also pointed out that training or apprenticeship can be taken as fixed costs ; but that returns to scale are available by his approach of standardisation of tasks, therefore again favouring the factory system. His view of human capital was restricted to minimising the time period for recovery of training costs. Publishing Another aspect of the work was its detailed breakdown of the cost structure of book publishing. Babbage took the unpopular line, from the publishers ' perspective, of exposing the trade 's profitability. He went as far as to name the organisers of the trade 's restrictive practices. Twenty years later he attended a meeting hosted by John Chapman to campaign against the Booksellers Association, still a cartel. Influence It has been written that `` what Arthur Young was to agriculture, Charles Babbage was to the factory visit and machinery ''. Babbage 's theories are said to have influenced the layout of the 1851 Great Exhibition, and his views had a strong effect on his contemporary George Julius Poulett Scrope. Karl Marx argued that the source of the productivity of the factory system was exactly the combination of the division of labour with machinery, building on Adam Smith, Babbage and Ure. Where Marx picked up on Babbage and disagreed with Smith was on the motivation for division of labour by the manufacturer : as Babbage did, he wrote that it was for the sake of profitability, rather than productivity, and identified an impact on the concept of a trade. John Ruskin went further, to oppose completely what manufacturing in Babbage 's sense stood for. Babbage also affected the economic thinking of John Stuart Mill. George Holyoake saw Babbage 's detailed discussion of profit sharing as substantive, in the tradition of Robert Owen and Charles Fourier, if requiring the attentions of a benevolent captain of industry, and ignored at the time. Works by Babbage and Ure were published in French translation in 1830 ; On the Economy of Machinery was translated in 1833 into French by Édouard Biot, and into German the same year by Gottfried Friedenberg. The French engineer and writer on industrial organisation Léon Lalanne was influenced by Babbage, but also by the economist Claude Lucien Bergery, in reducing the issues to `` technology ''. William Jevons connected Babbage 's `` economy of labour '' with his own labour experiments of 1870. The Babbage principle is an inherent assumption in Frederick Winslow Taylor 's scientific management. Mary Boole, the wife of Babbage 's collaborator George Boole claimed that there was profound influence -- via her uncle George Everest -- of Indian thought in general and Indian logic, in particular, on him and on George Boole, as well as on Augustus De Morgan : Think what must have been the effect of the intense Hinduizing of three such men as Babbage, De Morgan, and George Boole on the mathematical atmosphere of 1830 -- 65. What share had it in generating the Vector Analysis and the mathematics by which investigations in physical science are now conducted ? Natural theology In 1837, responding to the series of eight Bridgewater Treatises, Babbage published his Ninth Bridgewater Treatise, under the title On the Power, Wisdom and Goodness of God, as manifested in the Creation. In this work Babbage weighed in on the side of uniformitarianism in a current debate. He preferred the conception of creation in which a God - given natural law dominated, removing the need for continuous `` contrivance ''. The book is a work of natural theology, and incorporates extracts from related correspondence of Herschel with Charles Lyell. Babbage put forward the thesis that God had the omnipotence and foresight to create as a divine legislator. In this book, Babbage dealt with relating interpretations between science and religion ; on the one hand, he insisted that `` there exists no fatal collision between the words of Scripture and the facts of nature ; '' on the one hand, he wrote the Book of Genesis was not meant to be read literally in relation to scientific terms. Against those who said these were in conflict, he wrote `` that the contradiction they have imagined can have no real existence, and that whilst the testimony of Moses remains unimpeached, we may also be permitted to confide in the testimony of our senses. '' The Ninth Bridgewater Treatise was quoted extensively in Vestiges of the Natural History of Creation. The parallel with Babbage 's computing machines is made explicit, as allowing plausibility to the theory that transmutation of species could be pre-programmed. Plate from the Ninth Bridgewater Treatise, showing a parametric family of algebraic curves acquiring isolated real points Jonar Ganeri, author of Indian Logic, believes Babbage may have been influenced by Indian thought ; one possible route would be through Henry Thomas Colebrooke. Mary Everest Boole argues that Babbage was introduced to Indian thought in the 1820s by her uncle George Everest : Some time about 1825, ( Everest ) came to England for two or three years, and made a fast and lifelong friendship with Herschel and with Babbage, who was then quite young. I would ask any fair - minded mathematician to read Babbage 's Ninth Bridgewater Treatise and compare it with the works of his contemporaries in England ; and then ask himself whence came the peculiar conception of the nature of miracle which underlies Babbage 's ideas of Singular Points on Curves ( Chap, viii ) -- from European Theology or Hindu Metaphysic ? Oh ! how the English clergy of that day hated Babbage 's book ! Religious views Babbage was raised in the Protestant form of the Christian faith, his family having inculcated in him an orthodox form of worship. He explained : `` My excellent mother taught me the usual forms of my daily and nightly prayer ; and neither in my father nor my mother was there any mixture of bigotry and intolerance on the one hand, nor on the other of that unbecoming and familiar mode of addressing the Almighty which afterwards so much disgusted me in my youthful years. '' -- Babbage, ( 1864 ) Rejecting the Athanasian Creed as a `` direct contradiction in terms '', in his youth he looked to Samuel Clarke 's works on religion, of which Being and Attributes of God ( 1704 ) exerted a particularly strong influence on him. Later in life, Babbage concluded that `` the true value of the Christian religion rested, not on speculative theology, but on `` those doctrines of kindness and benevolence which that religion claims and enforces, not merely in favour of man himself but of every creature susceptible of pain or of happiness. '' In his autobiography Passages from the Life of a Philosopher ( 1864 ), Babbage wrote a whole chapter on the topic of religion, where he identified three sources of divine knowledge : A priori or mystical experience From Revelation From the examination of the works of the Creator He stated, on the basis of the design argument, that studying the works of nature had been the more appealing evidence, and the one which led him to actively profess the existence of God. Advocating for natural theology, he wrote : `` In the works of the Creator ever open to our examination, we possess a firm basis on which to raise the superstructure of an enlightened creed. The more man inquires into the laws which regulate the material universe, the more he is convinced that all its varied forms arise from the action of a few simple principles... The works of the Creator, ever present to our senses, give a living and perpetual testimony of his power and goodness far surpassing any evidence transmitted through human testimony. The testimony of man becomes fainter at every stage of transmission, whilst each new inquiry into the works of the Almighty gives to us more exalted views of his wisdom, his goodness, and his power. '' -- Babbage, ( 1864 ), Like Samuel Vince, Babbage also wrote a defense of the belief in divine miracles. Against objections previously posed by David Hume, Babbage advocated for the belief of divine agency, stating `` we must not measure the credibility or incredibility of an event by the narrow sphere of our own experience, nor forget that there is a Divine energy which overrides what we familiarly call the laws of nature. '' He alluded to the limits of human experience, expressing : `` all that we see in a miracle is an effect which is new to our observation, and whose cause is concealed. The cause may be beyond the sphere of our observation, and would be thus beyond the familiar sphere of nature ; but this does not make the event a violation of any law of nature. The limits of man 's observation lie within very narrow boundaries, and it would be arrogance to suppose that the reach of man 's power is to form the limits of the natural world. '' Later Life The Illustrated London News ( 4 November 1871 ). The British Association was consciously modelled on the Deutsche Naturforscher - Versammlung, founded in 1822. It rejected romantic science as well as metaphysics, and started to entrench the divisions of science from literature, and professionals from amateurs. Belonging as he did to the `` Wattite '' faction in the BAAS, represented in particular by James Watt the younger, Babbage identified closely with industrialists. He wanted to go faster in the same directions, and had little time for the more gentlemanly component of its membership. Indeed, he subscribed to a version of conjectural history that placed industrial society as the culmination of human development ( and shared this view with Herschel ). A clash with Roderick Murchison led in 1838 to his withdrawal from further involvement. At the end of the same year he sent in his resignation as Lucasian professor, walking away also from the Cambridge struggle with Whewell. His interests became more focussed, on computation and metrology, and on international contacts. Metrology programme A project announced by Babbage was to tabulate all physical constants ( referred to as `` constants of nature '', a phrase in itself a neologism ), and then to compile an encyclopaedic work of numerical information. He was a pioneer in the field of `` absolute measurement ''. His ideas followed on from those of Johann Christian Poggendorff, and were mentioned to Brewster in 1832. There were to be 19 categories of constants, and Ian Hacking sees these as reflecting in part Babbage 's `` eccentric enthusiasms ''. Babbage 's paper On Tables of the Constants of Nature and Art was reprinted by the Smithsonian Institution in 1856, with an added note that the physical tables of Arnold Henry Guyot `` will form a part of the important work proposed in this article ''. Exact measurement was also key to the development of machine tools. Here again Babbage is considered a pioneer, with Henry Maudslay, William Sellers, and Joseph Whitworth. Engineer and inventor Through the Royal Society Babbage acquired the friendship of the engineer Marc Brunel. It was through Brunel that Babbage knew of Joseph Clement, and so came to encounter the artisans whom he observed in his work on manufactures. Babbage provided an introduction for Isambard Kingdom Brunel in 1830, for a contact with the proposed Bristol & Birmingham Railway. He carried out studies, around 1838, to show the superiority of the broad gauge for railways, used by Brunel 's Great Western Railway. In 1838, Babbage invented the pilot ( also called a cow - catcher ), the metal frame attached to the front of locomotives that clears the tracks of obstacles ; he also constructed a dynamometer car. His eldest son, Benjamin Herschel Babbage, worked as an engineer for Brunel on the railways before emigrating to Australia in the 1850s. Babbage also invented an ophthalmoscope, which he gave to Thomas Wharton Jones for testing. Jones, however, ignored it. The device only came into use after being independently invented by Hermann von Helmholtz. Cryptography Babbage achieved notable results in cryptography, though this was still not known a century after his death. Letter frequency was category 18 of Babbage 's tabulation project. Joseph Henry later defended interest in it, in the absence of the facts, as relevant to the management of movable type. As early as 1845, Babbage had solved a cipher that had been posed as a challenge by his nephew Henry Hollier, and in the process, he made a discovery about ciphers that were based on Vigenère tables. Specifically, he realized that enciphering plain text with a keyword rendered the cipher text subject to modular arithmetic. During the Crimean War of the 1850s, Babbage broke Vigenère 's autokey cipher as well as the much weaker cipher that is called Vigenère cipher today. His discovery was kept a military secret, and was not published. Credit for the result was instead given to Friedrich Kasiski, a Prussian infantry officer, who made the same discovery some years later. However, in 1854, Babbage published the solution of a Vigenère cipher, which had been published previously in the Journal of the Society of Arts. In 1855, Babbage also published a short letter, `` Cypher Writing '', in the same journal. Nevertheless, his priority was n't established until 1985. Public nuisances Babbage involved himself in well - publicised but unpopular campaigns against public nuisances. He once counted all the broken panes of glass of a factory, publishing in 1857 a `` Table of the Relative Frequency of the Causes of Breakage of Plate Glass Windows '' : Of 464 broken panes, 14 were caused by `` drunken men, women or boys ''. Babbage 's distaste for commoners ( `` the Mob '' ) included writing `` Observations of Street Nuisances '' in 1864, as well as tallying up 165 `` nuisances '' over a period of 80 days. He especially hated street music, and in particular the music of organ grinders, against whom he railed in various venues. The following quotation is typical : It is difficult to estimate the misery inflicted upon thousands of persons, and the absolute pecuniary penalty imposed upon multitudes of intellectual workers by the loss of their time, destroyed by organ - grinders and other similar nuisances. Babbage was not alone in his campaign. A convert to the cause was the MP Michael Thomas Bass. In the 1860s, Babbage also took up the anti-hoop - rolling campaign. He blamed hoop - rolling boys for driving their iron hoops under horses ' legs, with the result that the rider is thrown and very often the horse breaks a leg. Babbage achieved a certain notoriety in this matter, being denounced in debate in Commons in 1864 for `` commencing a crusade against the popular game of tip - cat and the trundling of hoops. '' Computing Pioneer Part of Charles Babbage 's difference engine ( # 1 ), assembled after his death by his son, Henry Prevost Babbage ( 1824 -- 1918 ), using parts found in Charles ' laboratory Babbage 's machines were among the first mechanical computers. That they were not actually completed was largely because of funding problems and clashes of personality, most notably with Airy, the Astronomer Royal. Babbage directed the building of some steam - powered machines that achieved some modest success, suggesting that calculations could be mechanised. For more than ten years he received government funding for his project, which amounted to £ 17,000, but eventually the Treasury lost confidence in him. While Babbage 's machines were mechanical and unwieldy, their basic architecture was similar to a modern computer. The data and program memory were separated, operation was instruction - based, the control unit could make conditional jumps, and the machine had a separate I / O unit. Background on Mathematical tables In Babbage 's time, printed mathematical tables were calculated by human computers ; in other words, by hand. They were central to navigation, science and engineering, as well as mathematics. Mistakes were known to occur in transcription as well as calculation. At Cambridge, Babbage saw the fallibility of this process, and the opportunity of adding mechanisation into its management. His own account of his path towards mechanical computation references a particular occasion : In 1812 he was sitting in his rooms in the Analytical Society looking at a table of logarithms, which he knew to be full of mistakes, when the idea occurred to him of computing all tabular functions by machinery. The French government had produced several tables by a new method. Three or four of their mathematicians decided how to compute the tables, half a dozen more broke down the operations into simple stages, and the work itself, which was restricted to addition and subtraction, was done by eighty computers who knew only these two arithmetical processes. Here, for the first time, mass production was applied to arithmetic, and Babbage was seized by the idea that the labours of the unskilled computers could be taken over completely by machinery which would be quicker and more reliable. There was another period, seven years later, when his interest was aroused by the issues around computation of mathematical tables. The French official initiative by Gaspard de Prony, and its problems of implementation, were familiar to him. After the Napoleonic Wars came to a close, scientific contacts were renewed on the level of personal contact : in 1819 Charles Blagden was in Paris looking into the printing of the stalled de Prony project, and lobbying for the support of the Royal Society. In works of the 1820s and 1830s, Babbage referred in detail to de Prony 's project. Difference Engine The Science Museum 's Difference Engine No. 2, built from Babbage 's design Main article : Difference engine Babbage began in 1822 with what he called the difference engine, made to compute values of polynomial functions. It was created to calculate a series of values automatically. By using the method of finite differences, it was possible to avoid the need for multiplication and division. For a prototype difference engine, Babbage brought in Joseph Clement to implement the design, in 1823. Clement worked to high standards, but his machine tools were particularly elaborate. Under the standard terms of business of the time, he could charge for their construction, and would also own them. He and Babbage fell out over costs around 1831. Some parts of the prototype survive in the Museum of the History of Science, Oxford. This prototype evolved into the `` first difference engine. '' It remained unfinished and the finished portion is located at the Science Museum in London. This first difference engine would have been composed of around 25,000 parts, weigh fifteen tons ( 13,600 kg ), and would have been 8 ft ( 2.4 m ) tall. Although Babbage received ample funding for the project, it was never completed. He later ( 1847 -- 1849 ) produced detailed drawings for an improved version, `` Difference Engine No. 2 '', but did not receive funding from the British government. His design was finally constructed in 1989 -- 1991, using his plans and 19th century manufacturing tolerances. It performed its first calculation at the Science Museum, London, returning results to 31 digits. Nine years later, in 2000, the Science Museum completed the printer Babbage had designed for the difference engine. Completed models The Science Museum has constructed two Difference Engines according to Babbage 's plans for the Difference Engine No 2. One is owned by the museum. The other, owned by the technology multimillionaire Nathan Myhrvold, went on exhibition at the Computer History Museum in Mountain View, California on 10 May 2008. The two models that have been constructed are not replicas ; Myhrvold 's engine is the first design by Babbage, and the Science Museum 's is a later model. Analytical Engine Main article : Analytical Engine After the attempt at making the first difference engine fell through, Babbage worked to design a more complex machine called the Analytical Engine. He hired C.G. Jarvis, who had previously worked for Clement as a draughtsman. The Analytical Engine marks the transition from mechanised arithmetic to fully - fledged general purpose computation. It is largely on it that Babbage 's standing as computer pioneer rests. The major innovation was that the Analytical Engine was to be programmed using punched cards : the Engine was intended to use loops of Jacquard 's punched cards to control a mechanical calculator, which could use as input the results of preceding computations. The machine was also intended to employ several features subsequently used in modern computers, including sequential control, branching and looping. It would have been the first mechanical device to be, in principle, Turing - complete. The Engine was not a single physical machine, but rather a succession of designs that Babbage tinkered with until his death in 1871. Part of the Analytical Engine on display, in 1843, left of centre in this engraving of the King George III Museum Ada Lovelace and Italian followers Ada Lovelace, who corresponded with Babbage during his development of the Analytical Engine, is credited with developing an algorithm that would enable the Engine to calculate a sequence of Bernoulli numbers. Despite documentary evidence in Lovelace 's own handwriting, some scholars dispute to what extent the ideas were Lovelace 's own. For this achievement, she is often described as the first computer programmer ; though no programming language had yet been invented. Lovelace also translated and wrote literature supporting the project. Describing the engine 's programming by punch cards, she wrote : `` We may say most aptly that the Analytical Engine weaves algebraical patterns just as the Jacquard loom weaves flowers and leaves. '' Babbage visited Turin in 1840 at the invitation of Giovanni Plana. In 1842 Charles Wheatstone approached Lovelace to translate a paper of Luigi Menabrea, who had taken notes of Babbage 's Turin talks ; and Babbage asked her to add something of her own. Fortunato Prandi who acted as interpreter in Turin was an Italian exile and follower of Giuseppe Mazzini. Swedish followers Per Georg Scheutz wrote about the difference engine in 1830, and experimented in automated computation. After 1834 and Lardner 's Edinburgh Review article he set up a project of his own, doubting whether Babbage 's initial plan could be carried out. This he pushed through with his son, Edvard Scheutz. Another Swedish engine was that of Martin Wiberg ( 1860 ). Legacy In 2011, researchers in Britain proposed a multimillion - pound project, `` Plan 28 '', to construct Babbage 's Analytical Engine. Since Babbage 's plans were continually being refined and were never completed, they intended to engage the public in the project and crowd - source the analysis of what should be built. It would have the equivalent of 675 bytes of memory, and run at a clock speed of about 7 Hz. They hope to complete it by the 150th anniversary of Babbage 's death, in 2021. Advances in MEMs and nanotechnology have led to recent high - tech experiments in mechanical computation. The benefits suggested include operation in high radiation or high temperature environments. These modern versions of mechanical computation were highlighted in The Economist in its special `` end of the millennium '' black cover issue in an article entitled `` Babbage 's Last Laugh ''. Due to his association with the town Babbage was chosen in 2007 to appear on the 5 Totnes pound note. An image of Babbage features in the British cultural icons section of the newly designed British passport in 2015. Family Babbage 's grave at Kensal Green Cemetery, London, photographed in 2014 On 25 July 1814, Babbage married Georgiana Whitmore at St. Michael 's Church in Teignmouth, Devon ; her sister Louisa married Edward Ryan. The couple lived at Dudmaston Hall, Shropshire ( where Babbage engineered the central heating system ), before moving to 5 Devonshire Street, London in 1815. Charles and Georgiana had eight children, but only four -- Benjamin Herschel, Georgiana Whitmore, Dugald Bromhead and Henry Prevost -- survived childhood. Charles ' wife Georgiana died in Worcester on 1 September 1827, the same year as his father, their second son ( also named Charles ) and their newborn son Alexander. Benjamin Herschel Babbage ( 1815 - 1878 ) Charles Whitmore Babbage ( 1817 - 1827 ) Georgiana Whitmore Babbage ( 1818 - ? ? ) Edward Stewart Babbage ( 1819 - 1821 ) Francis Moore Babbage ( 1821 - ? ? ) Dugald Bromhead ( Bromheald ? ) Babbage ( 1823 - 1901 ) ( Maj - Gen ) Henry Prevost Babbage ( 1824 -- 1918 ) Alexander Forbes Babbage ( 1827 -- 1827 ) His youngest surviving son, Henry Prevost Babbage ( 1824 -- 1918 ), went on to create six small demonstration pieces for Difference Engine No. 1 based on his father 's designs, one of which was sent to Harvard University where it was later discovered by Howard H. Aiken, pioneer of the Harvard Mark I. Henry Prevost 's 1910 Analytical Engine Mill, previously on display at Dudmaston Hall, is now on display at the Science Museum. Death Charles Babbage 's brain is on display at The Science Museum Babbage lived and worked for over 40 years at 1 Dorset Street, Marylebone, where he died, at the age of 79, on 18 October 1871 ; he was buried in London 's Kensal Green Cemetery. According to Horsley, Babbage died `` of renal inadequacy, secondary to cystitis. '' He had declined both a knighthood and baronetcy. He also argued against hereditary peerages, favouring life peerages instead. Autopsy report In 1983 the autopsy report for Charles Babbage was discovered and later published by his great - great - grandson. A copy of the original is also available. Half of Babbage 's brain is preserved at the Hunterian Museum in the Royal College of Surgeons in London. The other half of Babbage 's brain is on display in the Science Museum, London. Memorials Green plaque in London There is a black plaque commemorating the 40 years Babbage spent at 1 Dorset Street, London. Locations, institutions and other things named after Babbage include : : The Moon crater Babbage The Charles Babbage Institute, an information technology archive and research center at the University of Minnesota British Rail named a locomotive after him in the 1990s The Babbage Building at the University of Plymouth, where the university 's school of computing is based The Babbage programming language for GEC 4000 series minicomputers `` Babbage '', The Economist 's Science and Technology blog. The former chain retail computer and video - games store `` Babbage 's '' ( now GameStop ) was named after him. In fiction and film Babbage frequently appears in steampunk works ; he has been called an iconic figure of the genre. Other works in which Babbage appears include : As a Great Thinker, in the 2008 strategy video game Civilization Revolution. The 2008 short film Babbage. Sydney Padua created The Thrilling Adventures of Lovelace and Babbage, a cartoon alternate history in which Babbage and Lovelace succeed in building the analytic engine. It quotes heavily from the writings of Lovelace, Babbage and their contemporaries. Kate Beaton, cartoonist of webcomic Hark ! A Vagrant, devoted one of her comic strips to Charles and Georgiana Babbage. Publications Wikisource has original works written by or about : Charles Babbage Wikiquote has quotations related to : Charles Babbage Babbage, Charles ( 1826 ). A Comparative View of the Various Institutions for the Assurance of Lives. London : J. Mawman. Babbage, Charles ( 1830 ). Reflections on the Decline of Science in England, and on Some of Its Causes. London : B. Fellowes. Babbage, Charles ( 1835 ). On the Economy of Machinery and Manufactures ( 4th ed. ). London : Charles Knight. Babbage, Charles ( 1837 ). The Ninth Bridgewater Treatise, a Fragment. London : John Murray. ( Reissued by Cambridge University Press 2009, ISBN 978 - 1 - 108 - 00000 - 0. ) Babbage, Charles ( 1841 ). Table of the Logarithms of the Natural Numbers from 1 to 108000. London : William Clowes and Sons. ( The LOCOMAT site contains a reconstruction of this table. ) Babbage, Charles ( 1851 ). The Exposition of 1851. London : John Murray. Babbage, Charles ( 1864 ). Passages from the Life of a Philosopher. London : Longman. Babbage, Charles ( 1989 ). Hyman, Anthony, ed. Science and Reform : Selected Works of Charles Babbage. Cambridge University Press. ISBN 978 - 0 - 521 - 34311 - 4. See also Computer programming portal Biography portal Babbage 's congruence List of pioneers in computer science Notes ^ Jump up to : Terence Whalen ( 1999 ). Edgar Allan Poe and the masses : the political economy of literature in antebellum America. Princeton University Press. p. 254. ISBN 978 - 0 - 691 - 00199 - 9. Retrieved 18 April 2013. ^ Jump up to : Copeland, B. 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I may now state, as the result of a long life spent in studying the works of the Creator, that I am satisfied they afford far more satisfactory and more convincing proofs of the existence of a supreme Being than any evidence transmitted through human testimony can possibly supply. '' Jump up ^ Passages from the Life of a Philosopher ( 1864 ), pp. 396 - 402 Jump up ^ Pickover, Clifford A. ( 2009 ). The Math Book : From Pythagoras to the 57th Dimension, 250 Milestones in the History of Mathematics. Sterling Publishing Company, Inc. p. 218 Jump up ^ Babbage, Charles. ( 1864 ) Passages from the Life of a Philosopher, Appendix : `` Miracles '', p. 488 Jump up ^ Hook, Diana H. ; Jeremy M. Norman ; Michael R. Williams ( 2002 ). Origins of cyberspace : a library on the history of computing, networking, and telecommunications. Norman Publishing. pp. 161, 165. ISBN 0 - 930405 - 85 - 4. Jump up ^ Andrew Ede ; Lesley B. Cormack ( 2012 ). A History of Science in Society : From the Scientific Revolution to the Present. University of Toronto Press. p. 224. ISBN 978 - 1 - 4426 - 0452 - 0. Retrieved 8 May 2013. Jump up ^ Daniel Brown ( 31 January 2013 ). The Poetry of Victorian Scientists : Style, Science and Nonsense. Cambridge University Press. p. 6. ISBN 978 - 1 - 107 - 02337 - 6. Retrieved 8 May 2013. Jump up ^ Discovering Water : James Watt, Henry Cavendish, and the Nineteenth Century ' Water Controversy '. Ashgate Publishing, Ltd. 2004. pp. 136 -- 7. ISBN 978 - 0 - 7546 - 3177 - 4. Retrieved 1 May 2013. Jump up ^ Iwan Rhys Morus ( 1 December 2002 ). Bodies / Machines. Berg. p. 44. ISBN 978 - 1 - 85973 - 695 - 1. Retrieved 8 May 2013. Jump up ^ Kevin C. Knox ( 6 November 2003 ). From Newton to Hawking : A History of Cambridge University 's Lucasian Professors of Mathematics. Cambridge University Press. p. 287. ISBN 978 - 0 - 521 - 66310 - 6. Retrieved 26 April 2013. Jump up ^ Mario Biagioli ( 1999 ). The Science studies reader. Routledge, Chapman & Hall, Incorporated. pp. 459 -- 60. ISBN 978 - 0 - 415 - 91868 - 8. Retrieved 1 May 2013. ^ Jump up to : Ian Hacking ( 31 August 1990 ). The Taming of Chance. Cambridge University Press. pp. 55 -- 60. ISBN 978 - 0 - 521 - 38884 - 9. Retrieved 1 May 2013. Jump up ^ Report of the Board of Regents. The Institution. 1857. pp. 289 -- 302. Retrieved 1 May 2013. Jump up ^ David F Noble ( 1 September 1979 ). America by Design : Science, Technology, and the Rise of Corporate Capitalism David F. Noble. Oxford University Press. p. 71. ISBN 978 - 0 - 19 - 502618 - 4. Retrieved 8 May 2013. Jump up ^ Bruce Collier ; James MacLachlan ( 28 September 2000 ). Charles Babbage : And the Engines of Perfection. Oxford University Press. pp. 28 -- 9. ISBN 978 - 0 - 19 - 514287 - 7. Retrieved 23 April 2013. Jump up ^ L.T.C. Rolt ( 1982 ). Isambard Kingdom Brunel. Penguin Books. p. 74. ISBN 0 14 02 1195 0. ^ Jump up to : Babbage 1864, pp. 317 -- 8 Jump up ^ George J. Stigler, Charles Babbage ( 1791 + 200 = 1991 ), Journal of Economic Literature Vol. 29, No. 3 ( Sep. 1991 ), pp. 1149 -- 1152, at p. 1151. Published by : American Economic Association Jump up ^ Lee, John A.N. ( 1995 ). International biographical dictionary of computer pioneers. Taylor & Francis US. p. 60. Jump up ^ `` Babbage, Benjamin Herschel ''. Bright Sparcs Biographical entry. Retrieved 15 May 2008. Jump up ^ Bynum, W.F. `` Jones, Thomas Wharton ''. Oxford Dictionary of National Biography ( online ed. ). Oxford University Press. doi : 10.1093 / ref : odnb / 37617. ( Subscription or UK public library membership required. ) Jump up ^ `` Medical Discoveries, Ophthalmoscope ''. Discoveriesinmedicine.com. Retrieved 29 January 2009. ^ Jump up to : Ole Immanuel Franksen and Ray Rushton ( November 1985 ) `` General Notes : Studies in the Society 's history and archives : Charles Babbage and the Society, '' Journal of the Royal Society of Arts, 133 ( 5352 ) : 880 -- 883. ( Published by : Royal Society for the Encouragement of Arts, Manufactures and Commerce ) Jump up ^ Introduction to Cryptography : With Mathematical Foundations in Computer Implementations. CRC Press. 2011. p. 187. ISBN 978 - 1 - 4398 - 1763 - 6. Retrieved 19 April 2013. Jump up ^ Kahn, David L. ( 1996 ). The Codebreakers : The Story of Secret Writing. New York : Scribner. ISBN 978 - 0 - 684 - 83130 - 5. Jump up ^ See : J.H.B. Thwaites ( Aug. 11, 1854 ) `` Secret, or cypher writing, '' Journal of the Society of Arts, 2 ( 90 ) : 663 - 664. `` C. '' ( Charles Babbage ) ( Sept. 1, 1854 ), `` Mr. Thwaites 's cypher, '' Journal of the Society of Arts, 2 ( 93 ) : 707 - 708. Charles Babbage, Passages from the Life of a Philosopher ( London, England : Longman, 1864 ), page 496. Jump up ^ Charles Babbage ( December 7, 1855 ) `` Cypher writing, '' Journal of the Society for Arts, 4 ( 159 ) : 41 -- 42. Jump up ^ See also : Ole Immanuel Franksen, Mr. Babbage 's Secret. The Tale of a Cypher -- and APL ( Birkerød, Denmark : Strandbergs Forlag, 1984 ; reprinted by : Prentice - Hall, Englewood, New Jersey, USA, 1985 ) Jump up ^ Babbage, Charles ( 1857 ). `` Table of the Relative Frequency of Occurrence of the Causes of Breaking of Plate Glass Windows ''. Mechanics Magazine. 66 : 82. Jump up ^ Babbage, Charles ( 1989 ). Martin Campbell - Kelly, ed. The Works of Charles Babbage. V. London : William Pickering. p. 137. ISBN 1 - 85196 - 005 - 8. Jump up ^ The Insurance cyclopaedia. Google Books. 1878. Retrieved 22 February 2011. Jump up ^ Campbell - Kelly, Martin ; Babbage, Charles ( 1994 ). `` Ch 26 ''. Passages from the Life of a Philosopher. Pickering & Chatto Publishers. p. 342. ISBN 1 - 85196 - 040 - 6. Jump up ^ Karen Chase ; Michael Levenson ( 15 August 2009 ). The Spectacle of Intimacy : A Public Life for the Victorian Family. Princeton University Press. p. 151. ISBN 978 - 1 - 4008 - 3112 - 8. Retrieved 22 April 2013. Jump up ^ Babbage 1864, p. 360 Jump up ^ Hansard 's parliamentary debates. THIRD SERIES COMMENCING WITH THE ACCESSION OF WILLIAM IV. 27 ° & 28 ° VICTORIA, 1864. VOL. CLXXVI. COMPRISING THE PERIOD FROM THE TWENTY - FIRST DAY OF JUNE 1864, TO THE TWENTY - NINTH DAY OF JULY 1864. Parliament, Thomas Curson Hansard `` Street Music ( Metropolis ) Bill `` ; V4, p471 ( 1 ) Jump up ^ Swade, Doron ( 2000 ). The Cogwheel Brain. London : Little, Brown and Company. p. 186. ISBN 0316648477. ^ Jump up to : Gleick, J. ( 2011 ). The Information : A History, a Theory, a Flood. London : Fourth Estate. p. 104. Jump up ^ B.V. Bowden, Faster than Thought, Pitman ( 1953 ), p. 8. Jump up ^ Martin Campbell - Kelly ( 2 October 2003 ). The History of Mathematical Tables : From Sumer to Spreadsheets. Oxford University Press. p. 110. ISBN 978 - 0 - 19 - 850841 - 0. Retrieved 19 April 2013. Jump up ^ Charles Coulston Gillispie ( 10 January 2009 ). Science and Polity in France : The End of the Old Regime. Princeton University Press. p. 485. ISBN 978 - 1 - 4008 - 2461 - 8. Retrieved 19 April 2013. Jump up ^ McConnell, Anita. `` Clement, Joseph ''. Oxford Dictionary of National Biography ( online ed. ). Oxford University Press. doi : 10.1093 / ref : odnb / 37291. ( Subscription or UK public library membership required. ) Jump up ^ Roegel, Denis ( April -- June 2009 ). `` Prototype Fragments from Babbage 's First Difference Engine ''. IEEE Annals of the History of Computing. 31 ( 2 ) : 70 -- 5. doi : 10.1109 / MAHC. 2009.31 Jump up ^ `` SCI / TECH Babbage printer finally runs ''. BBC News. 13 April 2000. Retrieved 27 April 2012. Jump up ^ `` Overview -- The Babbage Engine ''. Computer History Museum. Retrieved 29 January 2009. Jump up ^ Shiels, Maggie ( 10 May 2008 ). `` Victorian ' supercomputer ' is reborn ''. BBC News. Retrieved 11 May 2008. Jump up ^ Bruce Collier ; James MacLachlan ( 28 September 2000 ). Charles Babbage : And the Engines of Perfection. Oxford University Press. p. 65. ISBN 978 - 0 - 19 - 514287 - 7. Retrieved 20 April 2013. Jump up ^ `` The Baggage Engine ''. Computer History Museum. Retrieved 6 March 2013. Jump up ^ Ceruzzi, Paul ( 2012 ). Computing : A Concise History. United States : Smithsonian Institution. pp. 7 -- 8. ISBN 9780262517676. ^ Jump up to : Gross, Benjamin ( Fall 2015 ). `` The French connection ''. Distillations Magazine. 1 ( 3 ) : 10 -- 13. Retrieved 2 December 2016. ^ Jump up to : Robin Hammerman, Andrew L. Russell ( 2016 ). Ada 's Legacy : Cultures of Computing from the Victorian to the Digital Age. Association for Computing Machinery and Morgan & Claypool Publishers. ISBN 978 - 1 - 97000 - 151 - 8 Jump up ^ Fuegi J, Francis J ( October -- December 2003 ). `` Lovelace & Babbage and the creation of the 1843 ' notes ' ''. Annals of the History of Computing. 25 ( 4 ) : 16 -- 26. doi : 10.1109 / MAHC. 2003.1253887. See pages 19, 25 Jump up ^ Benjamin Woolley ( 1999 ). The Bride of Science. Macmillan. pp. 258 -- 60, 338. ISBN 0 - 333 - 72436 - 4. Jump up ^ Michael Lingren ( 1990 ). Glory and Failure : The Difference Engines of Johann Müller, Charles Babbage and Georg and Edvard Scheutz. MIT Press. pp. 98 -- 112. ISBN 978 - 0 - 262 - 12146 - 0. Retrieved 27 April 2013. Jump up ^ I. Grattan - Guinness ( 1 September 2003 ). Companion encyclopedia of the history and philosophy of the mathematical sciences. JHU Press. p. 698. ISBN 978 - 0 - 8018 - 7396 - 6. Retrieved 27 April 2013. Jump up ^ `` It Started Digital Wheels Turning ''. New York Times. Retrieved 10 November 2011. Jump up ^ `` Babbage Analytical Engine designs to be digitised ''. BBC News. 21 September 2011. Retrieved 19 March 2012. Jump up ^ `` Electronics Times : Micro-machines are fit for space ''. Findarticles.com. 11 October 1999. Retrieved 29 January 2009. Jump up ^ `` Babbage 's Last Laugh ''. The Economist. 9 September 1999. Jump up ^ `` Latest Devon News - DevonLive.com ''. Devon Live. Jump up ^ `` Introducing the new UK passport design '' ( PDF ). Gov.uk. 7 November 2016. Jump up ^ `` Attraction information for Dudmaston Hall ''. VisitBritain. Retrieved 29 January 2009. Jump up ^ Dubbey, John Michael ( 12 Feb 2004 ). The Mathematical Work of Charles Babbage. Cambridge University Press. p. 6. ISBN 9780521524766. Jump up ^ Valerie Bavidge - Richardson. `` Babbage Family Tree 2005 ''. Archived from the original on 13 October 2007. Retrieved 9 February 2013. Also see `` Charles Babbage entry ''. ClanBarker. Retrieved 9 February 2013. Jump up ^ `` Henry Prevost Babbage -- The Babbage Engine ''. Computer History Museum. Retrieved 29 January 2009. Jump up ^ `` Henry Babbage 's Analytical Engine Mill, 1910 ''. Science Museum. 16 January 2007. Retrieved 29 January 2009. Jump up ^ Horsley, Victor ( 1909 ). `` Description of the Brain of Mr. Charles Babbage, F.R.S ''. Philosophical Transactions of the Royal Society B. 200 ( 262 -- 273 ) : 117 -- 32. doi : 10.1098 / rstb. 1909.0003. Retrieved 7 December 2007. Subscription required. Jump up ^ Ioan James ( 2010 ). Remarkable Engineers : From Riquet to Shannon. Cambridge University Press. p. 50. ISBN 9781139486255. Jump up ^ Babbage, Neville ( June 1991 ). `` Autopsy Report on the Body of Charles Babbage ( `` the father of the computer `` ) ''. Medical Journal of Australia. 154 ( 11 ) : 758 -- 9. PMID 2046574. Jump up ^ Williams, Michael R. ( 1998 ). `` The `` Last Word '' on Charles Babbage ``. IEEE Annals of the History of Computing. 20 ( 4 ) : 10 -- 4. doi : 10.1109 / 85.728225. ( subscription required ) Jump up ^ `` Postmortem report by John Gregory Smith, F.R.C.S. ( anatomist ) ''. Science and society.co.UK. Retrieved 29 January 2009. Jump up ^ `` Babbage 's brain ''. www.DanYEY.co.uk. Retrieved 29 January 2009. Jump up ^ `` Visit the museum, Galleries, Computing, Overview ''. Science Museum. Archived from the original on 20 September 2010. Retrieved 25 October 2010. Jump up ^ Plaque # 3061 on Open Plaques. Jump up ^ Stay informed today ; every day. `` ' ' Economist ' ' Babbage blog ''. Economist.com. Retrieved 2014 - 06 - 07. Jump up ^ Fisher, Dan ( 6 May 1990 ). `` No. 87 Babbage 's Feels Growing Pains ''. Dallas Times Herald. Jump up ^ Justin Edwards ; Agnieszka Soltysik Monnet ( 2012 ). The Gothic in Contemporary Literature and Popular Culture : Pop Goth. Routledge. pp. 157 --. ISBN 978 - 0 - 415 - 80676 - 3. Retrieved 18 April 2013. Jump up ^ `` Civilization Revolution : Great People : `` CivFanatics '' Retrieved on 3 September 2009 ``. Civfanatics.com. 20 July 2008. Archived from the original on 17 March 2011. Retrieved 22 February 2011. Jump up ^ Redniss, Lauren ( June 5, 2015 ). `` ' The Thrilling Adventures of Lovelace and Babbage, ' by Sydney Padua ''. The New York Times. Retrieved 2 December 2015. Jump up ^ Padua, Sydney ( 2015 ). The Thrilling Adventures of Lovelace and Babbage. Pantheon Graphic Novels. ISBN 978 - 0307908278. Jump up ^ Beaton, Kate. `` Charles and Georgiana Babbage '', Hark ! A Vagrant. Accessed 3 December 2014. References Craik, Alex D.D. ( Feb 2005 ). `` Prehistory of Faà di Bruno 's Formula ''. The American Mathematical Monthly. Mathematical Association of America. 112 ( 2 ) : 119 -- 130. doi : 10.2307 / 30037410. JSTOR 30037410... External links Media related to Charles Babbage at Wikimedia Commons Baynes, T.S., ed. ( 1878 ), `` Charles Babbage '', Encyclopædia Britannica, 3 ( 9th ed. ), New York : Charles Scribner 's Sons, p. 178 Chisholm, Hugh, ed. ( 1911 ), `` Babbage, Charles '', Encyclopædia Britannica, 3 ( 11th ed. ), Cambridge University Press, p. 91 The Babbage Papers The papers held by the Science Museum Library and Archives which relate mostly to Babbage 's automatic calculating engines The Babbage Engine : Computer History Museum, Mountain View CA, USA. Multi-page account of Babbage, his engines and his associates, including a video of the Museum 's functioning replica of the Difference Engine No 2 in action Analytical Engine Museum John Walker 's ( of AutoCAD fame ) comprehensive catalogue of the complete technical works relating to Babbage 's machine. Charles Babbage A history at the School of Mathematics and Statistics, University of St Andrews Scotland. Mr. Charles Babbage : obituary from The Times ( 1871 ) The Babbage Pages Works by Charles Babbage at Project Gutenberg Works by or about Charles Babbage at Internet Archive Charles Babbage, The Online Books Page, University of Pennsylvania The Babbage Difference Engine : an overview of how it works `` On a Method of Expressing by Signs the Action of Machinery '', 1826. Original edition `` Archival material relating to Charles Babbage ''. UK National Archives. Charles Babbage Institute : pages on `` Who Was Charles Babbage ? '' including biographical note, description of Difference Engine No. 2, publications by Babbage, archival and published sources on Babbage, sources on Babbage and Ada Lovelace Babbage 's Ballet by Ivor Guest, Ballet Magazine, 1997 Babbage 's Calculating Machine ( 1872 ) - full digital facsimile from Linda Hall Library Author profile in the database zbMATH Lucasian Professors of Mathematics Isaac Barrow ( 1664 ) Isaac Newton ( 1669 ) William Whiston ( 1702 ) Nicholas Saunderson ( 1711 ) John Colson ( 1739 ) Edward Waring ( 1760 ) Isaac Milner ( 1798 ) Robert Woodhouse ( 1820 ) Thomas Turton ( 1822 ) George Biddell Airy ( 1826 ) Charles Babbage ( 1828 ) Joshua King ( 1839 ) George Stokes ( 1849 ) Joseph Larmor ( 1903 ) Paul Dirac ( 1932 ) James Lighthill ( 1969 ) Stephen Hawking ( 1979 ) Michael Green ( 2009 ) Michael Cates ( 2015 ) VIAF : 4963723 LCCN : n50031102 ISNI : 0000 0001 0864 5872 GND : 118505459 SELIBR : 176415 SUDOC : 030837960 BNF : cb12124143j ( data ) NLA : 35870821 NDL : 01167863 NKC : ola2002150481 BNE : XX1510176 IATH : w6mp5525 Retrieved from `` https://en.wikipedia.org/w/index.php?title=Charles_Babbage&oldid=816240577 '' Categories : Charles Babbage 1791 births 1871 deaths 19th - century English mathematicians 19th - century English people Alumni of Peterhouse, Cambridge Alumni of Trinity College, Cambridge British business theorists Burials at Kensal Green Cemetery Corresponding Members of the St Petersburg Academy of Sciences English Christians English computer scientists English engineers English mathematicians Fellows of the American Academy of Arts and Sciences Fellows of the Royal Astronomical Society Fellows of the Royal Society of Edinburgh Fellows of the Royal Society Lucasian Professors of Mathematics People educated at Totnes Grammar School People of the Industrial Revolution Recipients of the Gold Medal of the Royal Astronomical Society Mathematicians from London Knights of the Royal Guelphic Order Hidden categories : Wikipedia articles incorporating a citation from the ODNB CS1 French - language sources ( fr ) Articles with inconsistent citation formats All articles with dead external links Articles with dead external links from May 2017 Articles with permanently dead external links Pages containing links to subscription - only content Wikipedia indefinitely move - protected pages EngvarB from April 2014 Use dmy dates from April 2014 Biography with signature Articles with hCards Pages using infobox scientist with unknown parameters Wikipedia articles incorporating a citation from EB9 Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference Articles with Project Gutenberg links Articles with Internet Archive links Wikipedia articles with VIAF identifiers Wikipedia articles with LCCN identifiers Wikipedia articles with ISNI identifiers Wikipedia articles with GND identifiers Wikipedia articles with SELIBR identifiers Wikipedia articles with BNF identifiers Wikipedia articles with NLA identifiers Wikipedia articles with SNAC - ID identifiers Talk Contents About Wikipedia Wikiquote Wikisource Afrikaans Asturianu Azərbaycanca تۆرکجه বাংলা Bân - lâm - gú Беларуская Български Bosanski Català Čeština Cymraeg Dansk Deutsch Eesti Ελληνικά Español Esperanto Euskara فارسی Français Gaeilge Galego ગુજરાતી 한국어 Հայերեն हिन्दी Hrvatski Ido Bahasa Indonesia Íslenska Italiano עברית Basa Jawa ಕನ್ನಡ Kreyòl ayisyen Latina Latviešu Lietuvių Ligure Magyar Македонски Malagasy മലയാളം मराठी Bahasa Melayu Nāhuatl Nederlands 日本 語 Norsk Norsk nynorsk Occitan Олык марий ਪੰਜਾਬੀ پنجابی Piemontèis Polski Português Română Русский Scots Shqip සිංහල Simple English Slovenčina Slovenščina کوردی Српски / srpski Srpskohrvatski / српскохрватски Suomi Svenska Tagalog தமிழ் తెలుగు ไทย Тоҷикӣ Türkçe Українська اردو Tiếng Việt Winaray 中文 Edit links This page was last edited on 20 December 2017, at 04 : 10. 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Question: who is known as the father of computers
Answer: Charles Babbage