claim: Charles Howard Hinton was a theoretical mathematician.
evidence: Harrison Hayter -LRB- 10 April 1825 -- 5 May 1898 -RRB- was a British engineer , participating in many significant railway construction projects in Britain and many harbour and dock constructions worldwide .. British. United Kingdom. Hayter was born at Flushing near Falmouth , Cornwall the second son of Henry Hayter and his wife Eliza Jane Heylyn .. Flushing. Flushing, Cornwall. Cornwall. Cornwall. He became a Civil Engineer , and began his professional training on the Stockton and Darlington Railway and then in the construction of the Great Northern Railway .. Civil. Civil engineering. Civil Engineer. Civil Engineer. Stockton and Darlington Railway. Stockton and Darlington Railway. Great Northern Railway. Great Northern Railway ( Great Britain ). In 1856 he was living in Anglesey , while working on the construction of Holyhead Harbour .. Holyhead. Holyhead. In 1857 he joined Sir John Hawkshaw and was associated with most of his projects until Sir John retired in 1888 .. John Hawkshaw. John Hawkshaw. These including the Lancashire and Yorkshire Railway , Charing Cross and Cannon Street Lines , East London Railway , completion of Inner Circle , the Severn Tunnel Railway and many overseas railways .. Lancashire and Yorkshire Railway. Lancashire and Yorkshire Railway. East London Railway. East London Line. Inner Circle. Inner Circle ( London Underground ). Severn Tunnel. Severn Tunnel. The bridges he helped build included the Charing Cross Railway Bridge , in 1864 he was awarded a Telford Medal by the Institution of Civil Engineers for his paper ` On the Charing Cross Bridge ' ,. Civil. Civil engineering. Institution of Civil Engineers. Institution of Civil Engineers. Charing Cross Railway Bridge. Hungerford Bridge. Telford Medal. Telford Medal. the Cannon Street Railway Bridge and the Clifton Suspension Bridge .. Cannon Street Railway Bridge. Cannon Street Railway Bridge. Clifton Suspension Bridge. Clifton Suspension Bridge. Harbours were at Alderney , IJmuiden -LRB- Holland -RRB- and Mornungao -LRB- India -RRB- and docks at Hull , Penarth , Maryport , Fleetwood , Dover and the South dock of the West India Docks .. Alderney. Alderney. IJmuiden. IJmuiden. Hull. Kingston upon Hull. Penarth. Penarth. Maryport. Maryport. Fleetwood. Fleetwood. Dover. Dover. West India Docks. West India Docks. Other works included the Amsterdam Ship Canal , the foundation of the Spithead Forts , River Witham middle level , Thames Valley drainages , and sewerage in Brighton .. Amsterdam. Amsterdam. Spithead Forts. Palmerston Forts, Portsmouth. River Witham. River Witham. Brighton. Brighton. When he died he was completing a large system of docks at Buenos Aires -LRB- a dredged channel 14 mi long and a 3.5 mi river frontage -RRB- , where James Murray Dobson was the resident engineer .. Buenos Aires. Buenos Aires. James Murray Dobson. James Murray Dobson. Harrison was a Lieutenant-Colonel in the Engineer and Railway Volunteer Staff Corps and served as President of the Institution of Civil Engineers between May 1892 and May 1893 .. Civil. Civil engineering. Institution of Civil Engineers. Institution of Civil Engineers. Lieutenant-Colonel. Lieutenant-Colonel. Engineer and Railway Volunteer Staff Corps. Engineer and Railway Staff Corps. He was buried at Highgate Cemetery .. Highgate Cemetery. Highgate Cemetery. Harrison was a younger brother of Henry Heylyn Hayter the Australian statistician .. Henry Heylyn Hayter. Henry Heylyn Hayter. In 1854 he married Eliza Jane Walker -LRB- 1827 -- 1882 -RRB- , the eldest daughter of Rev Thomas Walker , Rector of Offord D'Arcy , Huntingdonshire and a Lincolnshire landowner .. Offord D'Arcy. Offord D'Arcy. They had eight children including Rev. William Thomas Baring Hayter and Frances Jane Hayter who married Falconer Madan -LRB- 1851 -- 1935 -RRB- , Librarian of the Bodleian Library of Oxford University. William Thomas Baring Hayter. William Thomas Baring Hayter. Falconer Madan. Falconer Madan. Bodleian Library. Bodleian Library. Oxford University. Oxford University