Young, Thomas, 1773-1829 (physician, physicist and egyptologist)
Dates
- Existence: 1773 - 1829
Biography
Thomas Young was born in Milverton, Somerset, 13 June 1773. He studied medicine at London and Edinburgh, 1792-4, and physics at Göttingen, 1795-7. He was a fellow commoner at Emmanuel College, Cambridge, 1797-9. He practised as a physician in London and conducted research into the eye, identifying the cause of astigmatism and publishing a three colour theory of perception. He was appointed Professor of Natural Philosophy at the Royal Institution, 1801-3, and Foreign Secretary of the Royal Society, 1802-29. He carried out experiments on the diffraction of light and established a principle of interference that supported a wave rather than a corpuscular theory of light. He also worked on surface tension, elasticity and a scientific definition of energy. He married Eliza Maxwell, 1804. He retired from medical practice, 1814, and devoted himself to his research. He became interested in Egyptology and worked on deciphering the Rosetta Stone. He founded an Egyptian Society to publish hieroglyphic inscriptions, 1819, and later turned to the study of Demotic, 1827. He died in London, 10 May 1829.
Found in 333 Collections and/or Records:
Letter from James Burns to Dr Thomas Young, 1823-10-10
Two letters and a proposal.
Letter from James Callender on a stand for using a telescope at sea, 1818 - 1826
Sent to Dr Thomas Young.
Letter from James Fitt to Dr Thomas Young, 1784 - 1828
Two letters.
Letter from James Fitt to Dr Thomas Young, 1784 - 1828
Two letters.
Letter from James Fosbury to Dr Thomas Young, 1819-05-08
Originally enclosing copies of his published work.
Letter from James Fosbury to Dr Thomas Young, 1821-03-01
Enclosing a treatise on his 'universal system of longitude'.
Letter from James Fosbury to Dr Thomas Young, 1821 - 1823
Containing further observations on longitude.
Letter from James Fosbury to Dr Thomas Young, 1823-05-10
Originally enclosing a corrected proposal.
Letter from James Fosbury to Dr Thomas Young, 1819-11-23
With an index of names.
Letter from James Kirkwood to Dr Thomas Young, 1818-11-20
Four letters.
Letter from James Kirkwood to Dr Thomas Young, 1819-02-03
Four letters.
Letter from James Leslie to Dr Thomas Young, 1822-09-21
Two letters and a related paper.
Letter from James Leslie to Dr Thomas Young, 1821-11-29
Two letters.
Letter from James Leslie to Dr Thomas Young, 1821-12-29
Two letters.
Letter from James McDonald on two instruments for finding time and longitude, 1826-03-06
Sent to Dr Thomas Young.
Letter from James Preston of Sterling to Dr Thomas Young, 1824-03-24
Requesting the return of his papers from Lord Melville, as he wished to print them. Preston questions why Young had asked him not to print his papers, and explains that being elderly and infirm he needed the income from their publication.
Letter from James Scrymgeour to Dr Thomas Young, 1824-03-22
Three letters from Scrymgeour to Dr Thomas Young, with a copy of a reply from Young.
Letter from James Scrymgeour to [Dr Thomas Young], 1824-04-09
With an additional note by Andrew Ure.
Letter from James Scrymgeour to Dr Thomas Young, 1824-07-09
Three letters from Scrymgeour to Dr Thomas Young, with a copy of a reply from Young.
Letter from James Scrymgeour to Dr Thomas Young, 1824-04-27
Two letters, sent to Dr Thomas Young and the Board of Longitude.
Letter from James South on determining longitude by the eclipses of Jupiter's satellites, 1828-06-05
Sent to Dr Thomas Young.
Letter from James Willis to Dr Thomas Young, 1819-04-06
With an index of names.
Letter from J.F.W. Herschel to Dr Thomas Young, 1829-01-08
On assisting [William] Richardson in reducing the observations taken at Parramatta Observatory under Sir Thomas Brisbane.
Letter from John Abram to Dr Thomas Young, 1819-11-16
Letter from John Barrow to Dr Thomas Young, 1820-07-14
Concerning the establishment of the Cape Observatory.
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