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 Joseph Barlow to Dr Thomas Young, 1818-11-24
Six letters from Joseph Barlow, with accompanying papers and two related notes from the Navy Office.
Letter from Joseph Forrest to Dr Thomas Young, 1827-12-05
In which Forrest outlines his previous communication with the Board and offers to make a globe which he could describe to them better than explaining his ideas in writing. He also mentions that he was a mechanic with no formal training in astronomy or mathematics.
Letter from Joseph Forrest to Dr Thomas Young, 1827-11-21 - 1827-11
In which Forrest outlines his previous communication with the Board and offers to make a globe which he could describe to them better than explaining his ideas in writing. He also mentions that he was a mechanic with no formal training in astronomy or mathematics.
Letter from Joseph Planta to Dr Thomas Young, 1822-03-15
Includes a proposal, printed works and colour drawings by Wedel, and correspondence about laying his papers before the House of Commons.
Letter from Lazarus Cohen to Dr Thomas Young, 1825-02-10
Concerning the continuation of his 'New System of Astronomy'.
Letter from Lazarus Cohen to Dr Thomas Young, 1825-01-06
Concerning an account on the winds.
Letter from Le Duc Duhamel to Dr Thomas Young, 1827-10-23
Six letters and two papers on his method of ascertaining the exact loss or gain of two chronometers, with a related newspaper extract.
Letter from Le Duc Duhamel to Dr Thomas Young, 1828-01-29
Six letters and two papers on his method of ascertaining the exact loss or gain of two chronometers, with a related newspaper extract.
Letter from Lieutenant Couch to Dr Thomas Young, 1825-12-02
With an index of names.
Letter from Malcolm Cowan to Dr Thomas Young, 1823-01-22
Enclosing the plan at [RGO 14/24: 468].
Letter from Monsieur Duhamel to Dr Thomas Young, 1820-05-03
Two letters and a printed paper on finding the longitude by the moon's transit or distance from the meridian.
Letter from Mr Fenzano to Dr Thomas Young, 1823-09-19
With an index of names.
Letter from Parkinson and Frodsham to Dr Thomas Young, 1821-03-27
Stating their claim to have made a chronometer sent out with Captain Parry.
Letter from Parkinson and Frodsham to Dr Young, 1821-03-29
Enclosing a statement and a letter to the Board of Longitude; see [RGO 14/24: 389-392].
Letter from Patrick Leahy to Dr Thomas Young, 1822-11-03
Three letters and a proposal.
Letter from Patrick Leahy to Dr Thomas Young, 1822-11-07
Three letters and a proposal.
Letter from Patrick Scully to Dr Thomas Young, 1822-08-08
Writing on behalf of Fearon Fallows who was ill, giving news of their activity at Cape Town, of the site of the new observatory, of the difficult conditions in which they had to work, and of the safe arrival of a telescope by Dollond.
Letter from Peter Lecount to Dr Thomas Young, 1821-08-12
Concerning a trial of his marine chair.
Letter from Peter Lecount to Dr Thomas Young, 1821-11-10
Concerning trials of his method of observing the eclipse of Jupiter's satellites.
Letter from Peter Lecount to Dr Thomas Young, 1823-01-08
Six letters and a related paper.
Letter from Peter Lecount to Dr Thomas Young, 1823-02-06
With an index of names.
Letter from R. Raines-Baines to Dr Thomas Young, 1819-03-29
Requesting that the Board of Longitude consider his invention of a sea perambulator and an accompanying machine adapted to produce results at sea. He states that he had made significant improvements to his invention since obtaining a patent.
Letter from R. Raines-Baines to Dr Thomas Young, 1819-04-17
Enquiring whether the Board of Longitude had made a decision on the machines he had presented.
Letter from R. Raines-Baines to Dr Thomas Young, 1819-05-24
Informing him of news that his perambulator had saved the HMS Comilion [Chameleon?] and two merchant vessels from running aground. He asks that Young submit this testimonial to the Board.
Letter from Rev. Fearon Fallows to Dr Thomas Young, 1822-06-13
Concerning books and papers sent for the Cape Observatory, requesting a better clock, and giving news of the establishment of the observatory.
Additional filters:
- ARCHON code (for CUL materials)
- Royal Greenwich Observatory (GBR/0180) 330
- Archives and MSS Dept. (GBR/0012) 2
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- Collection 1
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