De Morgan or de Morgan is a surname, and may refer to:
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Augustus De Morgan (1806–1871), British mathematician and logician.
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De Morgan's laws
In propositional logic and Boolean algebra, De Morgan's laws, also known as De Morgan's theorem, are a pair of transformation rules that are both valid rules of inference. They are named after Augustus De Morgan, a 19th-century British mathem ...
(or De Morgan's theorem), a set of rules from propositional logic.
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De Morgan Medal
The De Morgan Medal is a prize for outstanding contribution to mathematics, awarded by the London Mathematical Society. The Society's most prestigious award, it is given in memory of Augustus De Morgan, who was the first President of the societ ...
, a triennial mathematics prize awarded by the London Mathematical Society.
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William De Morgan
William Frend De Morgan (16 November 1839 – 15 January 1917) was an English potter, tile designer and novelist. A lifelong friend of William Morris, he designed tiles, stained glass and furniture for Morris & Co. from 1863 to 1872. His tiles ...
(1839–1917), English designer, potter, ceramics-worker, and novelist.
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Evelyn De Morgan
Evelyn De Morgan (30 August 1855 – 2 May 1919), née Pickering, was an English painter associated early in her career with the later phase of the Pre-Raphaelite Movement, and working in a range of styles including Aestheticism and Symbolis ...
(1855–1919), English pre-Raphaelite painter.
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Jacques de Morgan
Jean-Jacques de Morgan (3 June 1857, Huisseau-sur-Cosson, Loir-et-Cher – 14 June 1924) was a French people, French mining engineer, geologist, and archaeologist. He was the director of antiquities in Khedivate of Egypt, Egypt during the 19th ...
(1857–1924), French archaeologist.
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