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 Rev. Fearon Fallows to Dr Thomas Young, 1823-03-06
Reporting on his activities concerning the establishment of the Cape Observatory.
Letter from Rev. Fearon Fallows to Dr Thomas Young, 1823-06-18
Concerning his catalogue [of fixed stars].
Letter from Rev. Fearon Fallows to Dr Thomas Young, 1823-09-02
Concerning tables and a plan of the observatory and giving news.
Letter from Rev. Fearon Fallows to Dr Thomas Young, 1823-10-10
Concerning a paper on eclipses, measurements of the height of Table Mountain, and his need for further instruments, and reporting on his activities and on the topography and geology of Cape Town.
Letter from Rev. Fearon Fallows to Dr Thomas Young, 1823-10-31
Concerning books and papers received, tables sent out, and a meteorological journal; requesting a Dollond repeating altitude and azimuth circle; and reporting on his activities at the Cape, which included collecting mineral specimens on Table Mountain.
Letter from Rev. Fearon Fallows to Dr Thomas Young, 1824-01-03
Concerning the production of new copies of his catalogue and papers (as a case of his papers had been lost in transit), and giving news received of Captain Parry.
Letter from Rev. Fearon Fallows to Dr Thomas Young, 1824-07-17
Informing him of the sudden departure of his assistant Mr Scully, who had left without giving notice after an incident of 'gross immoral conduct' with a young housemaid. Fallows requests that a suitably qualified person 'whose moral character is without stain or blemish' be sent as his replacement, and he recommends Mr Taylor of Greenwich for the position.
Letter from Robert Tucker to Dr Thomas Young, 1819-01-20
Four letters, a proposal and four colour star charts.
Letter from Robert Tucker to Dr Thomas Young, 1819-01-29
Four letters, a proposal and four colour star charts.
Letter from Seth Hunt to Dr Thomas Young, 1819-03-27
Four letters from Hunt to Dr Thomas Young and the Board of Longitude. Hunt was an American citizen residing in Covent Garden, who obtained a patent for his new escapement in 1817.
Letter from Seth Hunt to Dr Thomas Young, 1819-03-30
Four letters from Hunt to Dr Thomas Young and the Board of Longitude. Hunt was an American citizen residing in Covent Garden, who obtained a patent for his new escapement in 1817.
Letter from Seth Hunt to Dr Thomas Young, 1819-04-06
Four letters from Hunt to Dr Thomas Young and the Board of Longitude. Hunt was an American citizen residing in Covent Garden, who obtained a patent for his new escapement in 1817.
Letter from Sir James South to Dr Thomas Young, 1828-04-03
Originally enclosing the letters at [RGO 14/48: 312-319].
Letter from S.P. Rigaud to Dr Thomas Young, 1821-04-15
Concerning a copy of Bradley and Bliss's Observations for the Cape Observatory.
Letter from Stephen Lee to Dr Thomas Young, 1822-02-05
Concerning tables of logarithms by Mr Taylor.
Letter from T. Revis to Dr Thomas Young on an improvement in chronometers, 1827-06-22
Letter from T.G. Taylor to Dr Thomas Young, 1829-01-27
Observations and correspondence regarding miscellaneous astronomical matters.
Letter from T.G. Taylor to Dr Thomas Young, 1829-01-30
Observations and correspondence regarding miscellaneous astronomical matters.
Letter from the Dean of Carlisle to Dr Thomas Young, 1783 - 1823
Dated '6 Nov'.
Letter from Thomas Beverley to Dr Thomas Young, 1828-03-21
On finding the longitude by occultations of stars by the moon.
Letter from Thomas Cook to Dr Thomas Young, 1828-02-19
Requesting that his claim for finding longitude by soundings, which he had submitted before the Lords of the Treasury, be presented to the Board of Longitude. He also states that he had left a model for their inspection.
Letter from Thomas Cook to Dr Thomas Young, 1828-03-10
Enquiring about when and where he should leave his model instrument for inspection by the Board of Longitude.
Letter from Thomas Cook to Dr Thomas Young, 1828-03-10
Requesting that the Board of Longitude inspect a model he had submitted for determining longitude by means of a deep sounding.
Letter from Thomas Hedgcock to Dr Thomas Young, 1821-02-27
Enclosing a proposal for the attention of the Board of Longitude.
Letter from Thomas Hedgcock to Dr Thomas Young, 1827-12-03
24 letters, with related papers and observations.
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- ARCHON code (for CUL materials)
- Royal Greenwich Observatory (GBR/0180) 330
- Archives and MSS Dept. (GBR/0012) 2
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