user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: what did sir john frederick william herschel do? 
Knowledge Triplets: john frederick william herschel work related to william henry fox talbot, base.kwebbase.kwconnection.subject, John Herschel
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel inspired by joseph louis gay-lussac
john frederick william herschel met jean-baptiste biot, base.kwebbase.kwconnection.relation, met
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel fellow student was charles babbage
John Herschel, base.kwebbase.kwtopic.has_sentences, Herschel was the son of the famous astronomer, William Herschel.
John Herschel, people.person.children, Julia Mary Herschel
john frederick william herschel work related to adam sedgwick, base.kwebbase.kwconnection.relation, work related to
john frederick william herschel work related to louis daguerre, base.kwebbase.kwconnection.sentence, In 1839 a friend told Herschel about Daguerre's process of producing images.
John Herschel, people.person.profession, Chemist
john frederick william herschel met pierre-simon, marquis de laplace, base.kwebbase.kwconnection.other, Pierre-Simon Laplace
Sir William Herschel, 2nd Baronet, common.topic.notable_for, g.125d3_ryc
john frederick william herschel inspired by humphry davy, base.kwebbase.kwconnection.other, Humphry Davy
John Herschel, people.person.employment_history, m.0bjbnbj
William Herschel, astronomy.astronomer.astronomical_objects_discovered, Oberon
John Herschel, book.author.works_written, A manual of scientific enquiry
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel work related to daniel bernoulli
john frederick william herschel saw demo by thomas drummond, base.kwebbase.kwconnection.subject, John Herschel
Actinometer, law.invention.inventor, John Herschel
John Herschel, people.person.children, Margaret Louisa Herschel
john frederick william herschel work related to louis daguerre, base.kwebbase.kwconnection.relation, work related to
William Herschel, base.kwebbase.kwtopic.connections_from, william herschel corresponded with pierre-simon, marquis de laplace
john frederick william herschel work related to john dollond, base.kwebbase.kwconnection.other, John Dollond
m.03pgfrv, people.place_lived.person, William Herschel
In 1839 a friend told Herschel about Daguerre's process of producing images., base.kwebbase.kwsentence.dates, m.0c16y5_
John Herschel, book.author.works_written, On the action of crystallized bodies on homogeneous light
William Herschel, base.kwebbase.kwtopic.has_sentences, He was the first to extend observations beyond the solar system into galactic and extra-galactic space.
Sir William Herschel, 2nd Baronet, common.topic.image, William James Herschel
William Herschel, people.person.nationality, United Kingdom
At Cambridge where his fellow students included Babbage and the mathematician Whewell., base.kwebbase.kwsentence.contains_connections, john frederick william herschel fellow student was william whewell
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel met pierre-simon, marquis de laplace
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel saw demo by thomas drummond
m.0hnw6lv, people.marriage.spouse, John Herschel
John Herschel, law.inventor.inventions, Cyanotype
William Herschel, book.author.works_written, Observations and remarks on the figure, the climate, and the atmosphere of Saturn, and its ring
john frederick william herschel work related to william henry fox talbot, base.kwebbase.kwconnection.other, Henry Fox Talbot
John Herschel, base.kwebbase.kwtopic.has_sentences, At Cambridge where his fellow students included Babbage and the mathematician Whewell.
He published his findings in two catalogues., base.kwebbase.kwsentence.kwtopic, John Herschel
john frederick william herschel work related to adam sedgwick, base.kwebbase.kwconnection.other, Adam Sedgwick
Sir William Herschel, 2nd Baronet, people.person.nationality, United Kingdom
john frederick william herschel work related to adam sedgwick, base.kwebbase.kwconnection.subject, John Herschel
William Herschel, architecture.architectural_structure_owner.structures_owned, m.0bqsmbg
john frederick william herschel fellow student was charles babbage, base.kwebbase.kwconnection.relation, fellow student was
Although neither Herschel nor anybody else realized it at the time, he had discovered the method of fixing photographic images., base.kwebbase.kwsentence.kwtopic, John Herschel
John Herschel, government.politician.government_positions_held, m.05ty8bv
William Herschel, base.kwebbase.kwtopic.has_sentences, In London, he earned his keep as a copyist, musician and soloist and his virtuosity and musicality attracted notice.
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel work related to leonhard euler
john frederick william herschel met jean-baptiste biot, base.kwebbase.kwconnection.subject, John Herschel
John Herschel, base.kwebbase.kwtopic.has_sentences, In 1832 he traveled to South Africa to continue his astronomical observations in the Southern Hemisphere.
Herschel also introduced the terms 'positive' and 'negative' into photography., base.kwebbase.kwsentence.kwtopic, John Herschel
He took some time off to write articles and reviewed an English translation of Laplace's \"Mecanique Celeste\" by Somerville., base.kwebbase.kwsentence.contains_connections, john frederick william herschel reviewed work of mary somerville
john frederick william herschel reviewed work of mary somerville, base.kwebbase.kwconnection.other, Mary Somerville
John Herschel, base.kwebbase.kwtopic.has_sentences, Herschel's work in astronomy backed up his father's stellar and nebula discoveries with precise measurements.
William Herschel, base.kwebbase.kwtopic.has_sentences, In 1766 he took the post of oboist in Linley's orchestra in the fashionable town of Bath.
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel visited giuseppe piazzi
John Herschel, book.author.works_written, Light
At Cambridge where his fellow students included Babbage and the mathematician Whewell., base.kwebbase.kwsentence.contains_connections, john frederick william herschel fellow student was charles babbage
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel work related to william henry fox talbot
John Herschel, people.person.children, Matilda Rose Herschel
William Herschel, people.person.children, John Herschel
William Herschel, astronomy.astronomer.astronomical_objects_discovered, Mimas
William Herschel, common.topic.notable_for, g.12558wsx4
William Herschel, base.kwebbase.kwtopic.has_sentences, In 1779 he began reviewing the sky.
In 1832 he traveled to South Africa to continue his astronomical observations in the Southern Hemisphere., base.kwebbase.kwsentence.kwtopic, John Herschel
Familiar lectures on scientific subjects, book.written_work.author, John Herschel
john frederick william herschel fellow student was william whewell, base.kwebbase.kwconnection.subject, John Herschel
William Herschel, people.person.sibling_s, m.0b2s70l
m.0b_ssd2, royalty.noble_title_tenure.noble_person, John Herschel
John Herschel, influence.influence_node.influenced_by, William Herschel
john frederick william herschel work related to daniel bernoulli, base.kwebbase.kwconnection.relation, work related to
John Herschel, book.author.works_written, Traité de la lumière
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel work related to louis daguerre
John Herschel, people.person.gender, Male
John Herschel, book.author.works_written, A treatise on astronomy
Giuseppe Piazzi, base.kwebbase.kwtopic.connections_to, john frederick william herschel visited giuseppe piazzi
In 1838 Herschel wrote to Gauss after he was awarded the Copley Medal for his work in this field., base.kwebbase.kwsentence.dates, m.0c16y5p
William Herschel, base.kwebbase.kwtopic.has_sentences, But his consuming interest was astronomy and his work laid the foundation for future findings by astrophysicists Doppler, and Smyth.
Royal Astronomical Society, organization.organization.founders, John Herschel
John Herschel, people.person.children, Francisca Herschel
John Herschel, people.person.employment_history, m.0bjbn02
John Herschel, book.author.works_written, Sensorial vision
John Herschel, people.person.education, m.02wnwhc
Essays from the Edinburgh and Quarterly Reviews, book.written_work.author, John Herschel
John Herschel, people.person.children, Caroline Emilia Mary Herschel
Thomas Francis Wade, base.kwebbase.kwtopic.connections_to, john frederick william herschel relation of thomas francis wade
John Herschel, base.kwebbase.kwtopic.has_sentences, He published his findings in two catalogues.
1867 photograph byJulia Margaret Cameron, common.image.appears_in_topic_gallery, John Herschel
m.0bqsmbg, architecture.ownership.owner, William Herschel
john frederick william herschel met jean-baptiste joseph fourier, base.kwebbase.kwconnection.subject, John Herschel
John Herschel, organization.organization_founder.organizations_founded, Analytical Society
john frederick william herschel inspired by humphry davy, base.kwebbase.kwconnection.relation, inspired by
John Herschel, people.person.places_lived, m.010fy9ws
john frederick william herschel met jean-baptiste joseph fourier, base.kwebbase.kwconnection.other, Joseph Fourier
john frederick william herschel reviewed work of mary somerville, base.kwebbase.kwconnection.sentence, He took some time off to write articles and reviewed an English translation of Laplace's \"Mecanique Celeste\" by Somerville.
William Herschel, astronomy.astronomer.astronomical_objects_discovered, Enceladus
John Herschel, base.kwebbase.kwtopic.has_sentences, In 1839 a friend told Herschel about Daguerre's process of producing images.
He also carried out  experiments into physical optics and chemistry., base.kwebbase.kwsentence.kwtopic, John Herschel
john frederick william herschel met simeon-denis poisson, base.kwebbase.kwconnection.relation, met
A manual of scientific enquiry, book.written_work.author, John Herschel
In 1838 Herschel wrote to Gauss after he was awarded the Copley Medal for his work in this field., base.kwebbase.kwsentence.kwtopic, John Herschel
Portrait of Sir John Herschel by Julia Margaret Cameron, common.image.appears_in_topic_gallery, John Herschel
John Herschel, common.topic.notable_types, Politician
William Herschel, people.person.nationality, Electorate of Brunswick-Lüneburg
John Herschel, base.argumentmaps.innovator.original_ideas, Actinometer
john frederick william herschel work related to john dollond, base.kwebbase.kwconnection.subject, John Herschel
john frederick william herschel saw demo by thomas drummond, base.kwebbase.kwconnection.other, Thomas Drummond
Sir William Herschel, 2nd Baronet, people.person.place_of_birth, Slough
He took some time off to write articles and reviewed an English translation of Laplace's \"Mecanique Celeste\" by Somerville., base.kwebbase.kwsentence.kwtopic, John Herschel
William Herschel, common.topic.article, m.0864m
John Herschel, people.person.profession, Inventor
john frederick william herschel fellow student was charles babbage, base.kwebbase.kwconnection.sentence, At Cambridge where his fellow students included Babbage and the mathematician Whewell.
John Herschel, people.person.children, John Herschel the Younger
Preliminary discourse on the study of natural history, book.written_work.author, John Herschel
Alexander Stewart Herschel, people.person.parents, John Herschel
William Herschel, book.author.works_written, Catalogue of Nebulae and Clusters of Stars
john frederick william herschel met pierre-simon, marquis de laplace, base.kwebbase.kwconnection.subject, John Herschel
John Herschel, people.person.children, Constance Ann Herschel
Admiralty manual of scientific enquiry, book.written_work.author, John Herschel
john frederick william herschel saw demo by thomas drummond, base.kwebbase.kwconnection.relation, saw demo by
John Herschel, common.topic.image, 1867 photograph byJulia Margaret Cameron
m.0bjbn02, business.employment_tenure.person, John Herschel
Photographic fixer, law.invention.inventor, John Herschel
As part of this effort, Herschel was active in organizing the South Polar expedition undertaken by James Ross., base.kwebbase.kwsentence.kwtopic, John Herschel
john frederick william herschel relation of thomas francis wade, base.kwebbase.kwconnection.relation, relation of
A treatise on astronomy, book.written_work.author, John Herschel
Slough, location.location.people_born_here, Sir William Herschel, 2nd Baronet
John Herschel, base.kwebbase.kwtopic.has_sentences, Herschel also introduced the terms 'positive' and 'negative' into photography.
William Herschel, base.kwebbase.kwtopic.has_sentences, The discovery also made waves outside England.
Sir William Herschel, 2nd Baronet, common.topic.notable_types, Noble person
john frederick william herschel corresponded with carl friedrich gauss, base.kwebbase.kwconnection.subject, John Herschel
john frederick william herschel work related to leonhard euler, base.kwebbase.kwconnection.relation, work related to
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel reviewed work of mary somerville
John Herschel the Younger, people.person.gender, Male
John Herschel, people.person.children, Maria Sophie Herschel
john frederick william herschel corresponded with carl friedrich gauss, base.kwebbase.kwconnection.other, Carl Friedrich Gauss
John Herschel, people.person.nationality, United Kingdom
William Herschel, base.kwebbase.kwtopic.has_sentences, Herschel was knighted in 1816 and in 1821 made president of the Astronomical Society.
William Herschel, people.person.places_lived, m.03pgfrv
Sir William Herschel, 2nd Baronet, common.topic.article, m.026xmf4
Traité de la lumière, book.written_work.author, John Herschel
John Herschel, base.kwebbase.kwtopic.has_sentences, He took some time off to write articles and reviewed an English translation of Laplace's \"Mecanique Celeste\" by Somerville.
john frederick william herschel work related to louis daguerre, base.kwebbase.kwconnection.subject, John Herschel
Daniel Bernoulli, base.kwebbase.kwtopic.connections_to, john frederick william herschel work related to daniel bernoulli
John Herschel, book.author.works_written, Meteorology from the Encyclopædia britannica
John Herschel, people.person.profession, Astronomer
John Herschel, symbols.name_source.namesakes, J. Herschel
John Herschel, royalty.noble_person.titles, m.0b_ssd2
John Herschel, common.topic.article, m.0bx_1
john frederick william herschel met simeon-denis poisson, base.kwebbase.kwconnection.other, Siméon Denis Poisson
John Herschel, people.person.children, Amelia Herschel
John Herschel, book.author.works_written, A general catalogue of nebulæ and clusters of stars
John Herschel, people.person.children, Sir William Herschel, 2nd Baronet
john frederick william herschel work related to john dollond, base.kwebbase.kwconnection.relation, work related to
John Herschel, common.topic.image, Portrait of Sir John Herschel by Julia Margaret Cameron
John Herschel, base.kwebbase.kwtopic.has_sentences, He left university with the intention of becoming a lawyer but by 1815 had abandoned this course.
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel work related to adam sedgwick
Analytical Society, organization.organization.founders, John Herschel
john frederick william herschel fellow student was charles babbage, base.kwebbase.kwconnection.subject, John Herschel
m.0b_ssdb, royalty.noble_title_tenure.noble_person, Sir William Herschel, 2nd Baronet
In 1839 a friend told Herschel about Daguerre's process of producing images., base.kwebbase.kwsentence.previous_sentence, In 1838 Herschel wrote to Gauss after he was awarded the Copley Medal for his work in this field.
William Herschel, base.kwebbase.kwtopic.connections_from, william herschel corresponded with johann elert bode
john frederick william herschel reviewed work of mary somerville, base.kwebbase.kwconnection.relation, reviewed work of
On the action of crystallized bodies on homogeneous light, book.written_work.author, John Herschel
john frederick william herschel inspired by joseph louis gay-lussac, base.kwebbase.kwconnection.relation, inspired by
In 1839 a friend told Herschel about Daguerre's process of producing images., base.kwebbase.kwsentence.kwtopic, John Herschel
john frederick william herschel fellow student was william whewell, base.kwebbase.kwconnection.sentence, At Cambridge where his fellow students included Babbage and the mathematician Whewell.
William Herschel, astronomy.astronomer.astronomical_objects_discovered, Uranus
John Herschel, law.inventor.inventions, Photographic fixer
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel work related to john dollond
William Herschel, base.kwebbase.kwtopic.has_sentences, Not being able to afford the best astronomical instruments available, he began to make his own.
William Herschel, people.person.profession, Oboist
john frederick william herschel met simeon-denis poisson, base.kwebbase.kwconnection.subject, John Herschel
John Herschel, people.person.parents, Mary Baldwin
William Herschel, book.author.works_written, The universe around us
William Herschel, base.kwebbase.kwtopic.has_sentences, Catherine the Great of Russia tried to buy some of his speculum mirrors.
John Herschel, law.inventor.inventions, Actinometer
Herschel's work in astronomy backed up his father's stellar and nebula discoveries with precise measurements., base.kwebbase.kwsentence.kwtopic, John Herschel
Adam Sedgwick, base.kwebbase.kwtopic.connections_to, john frederick william herschel work related to adam sedgwick
Pierre-Simon Laplace, base.kwebbase.kwtopic.connections_to, john frederick william herschel met pierre-simon, marquis de laplace
John Herschel, base.kwebbase.kwtopic.has_sentences, When he died Herschel was occupied in consolidating in a single list all the double stars discovered by his father.
In 1839 a friend told Herschel about Daguerre's process of producing images., base.kwebbase.kwsentence.contains_connections, john frederick william herschel work related to louis daguerre
John Herschel, base.kwebbase.kwtopic.has_sentences, He also carried out  experiments into physical optics and chemistry.
John Herschel, base.kwebbase.kwtopic.has_sentences, From 1834-38, he observed the southern nebulae, clusters and double stars.
John Herschel, people.person.education, m.04lpggj
William Herschel, base.kwebbase.kwtopic.has_sentences, He was now determined to conduct a complete survey of the Heavens.
John Herschel, people.person.education, m.0n0kv16
Cyanotype, law.invention.inventor, John Herschel
john frederick william herschel work related to leonhard euler, base.kwebbase.kwconnection.subject, John Herschel
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel fellow student was william whewell
john frederick william herschel inspired by joseph louis gay-lussac, base.kwebbase.kwconnection.subject, John Herschel
John Herschel, people.person.profession, Mathematician
John Herschel, people.person.profession, Scientist
William Herschel, base.kwebbase.kwtopic.has_sentences, Herschel's father was bandmaster in the Hanoverian Guard and at fourteen years of age, Herschel also joined the band.
William Herschel, people.person.nationality, Germany
John Herschel, law.inventor.inventions, Photographic fixer
john frederick william herschel visited giuseppe piazzi, base.kwebbase.kwconnection.subject, John Herschel
John Herschel, law.inventor.inventions, Cyanotype
john frederick william herschel inspired by humphry davy, base.kwebbase.kwconnection.subject, John Herschel
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel inspired by humphry davy
William Herschel, base.kwebbase.kwtopic.connections_from, william herschel work related to heinrich wilhelm matthaus olbers
John Herschel, common.topic.notable_for, g.12575m_1p
john frederick william herschel met jean-baptiste joseph fourier, base.kwebbase.kwconnection.relation, met
John Herschel, book.author.works_written, Admiralty manual of scientific enquiry
William Herschel, book.author.works_written, Collected writings from the Philosophical transactions
John Herschel, book.author.works_written, Preliminary discourse on the study of natural history
john frederick william herschel inspired by joseph louis gay-lussac, base.kwebbase.kwconnection.other, Joseph Louis Gay-Lussac
John Herschel, base.kwebbase.kwtopic.has_sentences, Although neither Herschel nor anybody else realized it at the time, he had discovered the method of fixing photographic images.
William Herschel, base.kwebbase.kwtopic.has_sentences, His experience told him was not a fixed star.
He left university with the intention of becoming a lawyer but by 1815 had abandoned this course., base.kwebbase.kwsentence.kwtopic, John Herschel
John Herschel, base.kwebbase.kwtopic.has_sentences, In 1838 Herschel wrote to Gauss after he was awarded the Copley Medal for his work in this field.
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel met jean-baptiste biot
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel met simeon-denis poisson
john frederick william herschel work related to louis daguerre, base.kwebbase.kwconnection.other, Louis Daguerre
john frederick william herschel met pierre-simon, marquis de laplace, base.kwebbase.kwconnection.relation, met
John Herschel, book.author.works_written, A collection of examples of the applications of the calculus of finite differences
From 1834-38, he observed the southern nebulae, clusters and double stars., base.kwebbase.kwsentence.kwtopic, John Herschel
John Herschel, influence.influence_node.influenced, Charles Babbage
john frederick william herschel met jean-baptiste biot, base.kwebbase.kwconnection.other, Jean-Baptiste Biot
John Herschel, book.author.works_written, Observations of nebulæ and clusters of stars
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel relation of thomas francis wade
Jean-Baptiste Biot, base.kwebbase.kwtopic.connections_to, john frederick william herschel met jean-baptiste biot
William Herschel, base.kwebbase.kwtopic.has_sentences, Herschel's discovery made him famous.
john frederick william herschel work related to daniel bernoulli, base.kwebbase.kwconnection.other, Daniel Bernoulli
John Herschel, organization.organization_founder.organizations_founded, Royal Astronomical Society
Sir William Herschel, 2nd Baronet, people.person.parents, John Herschel
William Herschel, base.kwebbase.kwtopic.has_sentences, In 1802 he visited Paris, and took his son, JFW Herschel to meet Napoleon.
William Herschel, base.kwebbase.kwtopic.connections_from, william herschel worked for thomas linley
john frederick william herschel work related to daniel bernoulli, base.kwebbase.kwconnection.subject, John Herschel
John Herschel, base.argumentmaps.innovator.original_ideas, Actinometer
John Herschel, people.person.children, Alexander Stewart Herschel
William Herschel, base.kwebbase.kwtopic.has_sentences, Herschel's theory of the galactic universe was modified by his further findings on nebulae.
William Herschel, people.person.profession, Scientist
Sir William Herschel, 2nd Baronet, people.person.gender, Male
William Herschel, astronomy.astronomer.astronomical_objects_discovered, Titania
john frederick william herschel relation of thomas francis wade, base.kwebbase.kwconnection.subject, John Herschel
John Herschel, influence.influence_node.peers, m.02_96yz
William Herschel, common.topic.image, William Herschel01
john frederick william herschel reviewed work of mary somerville, base.kwebbase.kwconnection.subject, John Herschel
john frederick william herschel work related to william henry fox talbot, base.kwebbase.kwconnection.relation, work related to
john frederick william herschel relation of thomas francis wade, base.kwebbase.kwconnection.other, Thomas Francis Wade
John Herschel, book.author.works_written, Essays from the Edinburgh and Quarterly Reviews
john frederick william herschel fellow student was william whewell, base.kwebbase.kwconnection.other, William Whewell
Herschel was the son of the famous astronomer, William Herschel., base.kwebbase.kwsentence.kwtopic, John Herschel
John Herschel the Younger, people.person.parents, John Herschel
m.010fy9ws, people.place_lived.person, John Herschel
john frederick william herschel fellow student was charles babbage, base.kwebbase.kwconnection.other, Charles Grandison Finney
Astronomy, book.written_work.author, John Herschel
m.0bjbnbj, business.employment_tenure.person, John Herschel
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel met jean-baptiste joseph fourier
John Herschel, base.kwebbase.kwtopic.connections_from, john frederick william herschel corresponded with carl friedrich gauss
John Herschel, people.person.parents, William Herschel
William Herschel, people.person.place_of_birth, Hanover
John Herschel, people.person.place_of_birth, Slough
Portrait of Sir John Herschel by Julia Margaret Cameron, common.image.size, m.02bm58l
john frederick william herschel visited giuseppe piazzi, base.kwebbase.kwconnection.other, Giuseppe Piazzi
When he died Herschel was occupied in consolidating in a single list all the double stars discovered by his father., base.kwebbase.kwsentence.kwtopic, John Herschel
John Herschel, book.author.works_written, Astronomy
John Herschel, people.person.children, Isabella Herschel
William Herschel, base.kwebbase.kwtopic.has_sentences, Herschel founded stellar astronomy.
john frederick william herschel corresponded with carl friedrich gauss, base.kwebbase.kwconnection.relation, corresponded with
john frederick william herschel fellow student was william whewell, base.kwebbase.kwconnection.relation, fellow student was
William Herschel, people.person.profession, Astronomer
John Herschel, base.kwebbase.kwtopic.has_sentences, As part of this effort, Herschel was active in organizing the South Polar expedition undertaken by James Ross.
Sir William Herschel, 2nd Baronet, royalty.noble_person.titles, m.0b_ssdb
William Herschel, base.kwebbase.kwtopic.has_sentences, Two years later, he accompanied the regiment to England.
William Herschel, base.kwebbase.kwtopic.has_sentences, On 4 March 1774, he used the new instrument to observe the nebula in Orion.
Charles Grandison Finney, base.kwebbase.kwtopic.connections_to, john frederick william herschel fellow student was charles babbage
Light, book.written_work.author, John Herschel
John Herschel the Younger, common.topic.notable_for, g.1yy12j1l3
john frederick william herschel work related to leonhard euler, base.kwebbase.kwconnection.other, Leonhard Euler
In 1838 Herschel wrote to Gauss after he was awarded the Copley Medal for his work in this field., base.kwebbase.kwsentence.next_sentence, In 1839 a friend told Herschel about Daguerre's process of producing images.
John Herschel, book.author.works_written, Familiar lectures on scientific subjects
John Herschel, people.deceased_person.place_of_burial, Westminster Abbey
William Herschel, influence.influence_node.influenced, John Herschel
John Herschel, people.person.spouse_s, m.0hnw6lv
john frederick william herschel visited giuseppe piazzi, base.kwebbase.kwconnection.relation, visited
John Herschel, book.author.works_written, Telescope

Answer: Actinometer
Photographic fixer
Cyanotype