William Henry Young
|William Henry Young|
|Born||20 October 1863
|Died||7 July 1942 (aged 78)
|Known for||Young's inequality
|Notable awards||De Morgan Medal (1917)
Sylvester Medal (1928)
|Spouse||Grace Chisholm Young|
William Henry Young FRS (London, 20 October 1863 – Lausanne, 7 July 1942) was an English mathematician. Young was educated at City of London School and Peterhouse, Cambridge. He worked on measure theory, Fourier series, differential calculus, amongst other fields, and made contributions to the study of functions of several complex variables. He was the husband of Grace Chisholm Young, with whom he authored and co-authored 214 papers and 4 books. Two of their children became professional mathematicians (Laurence Chisholm Young, Cecilia Rosalind Tanner). Young's Theorem was named after him.
In 1913 he was the first to be appointed to the newly created chair of Hardinge Professorship of Pure Mathematics in Calcutta University which he held from 1913 to 1917. He also held the part-time Professorship of Philosophy and the History of Mathematics at the University of Liverpool from 1913 to 1919.
He was elected a Fellow of the Royal Society on 2 May 1907. He served as the president of the London Mathematical Society from 1922 to 1924. In 1917 he was awarded the De Morgan Medal of London Mathematical Society and in 1928 the Sylvester Medal of the Royal Society.
- Young, William Henry (1910). The fundamental theorems of the differential calculus. Cambridge University Press.
- William Henry Young, Grace Chisholm Young (1905). The first book of geometry. J. M. Dent.
- William Henry Young & Grace Chisholm Young (1906) The Theory of Sets of Points, link from Internet Archive.
- Hardy, G. H. (1943). "William Henry Young. 1863-1942". Obituary Notices of Fellows of the Royal Society. 4 (12): 306–326. doi:10.1098/rsbm.1943.0005.
- "Young, William Henry (YN881WH)". A Cambridge Alumni Database. University of Cambridge.
- Rothman, Patricia (1996). "Grace Chisholm Young and the Division of Laurels". Notes and Records of the Royal Society of London. 50 (1): 89–100. Retrieved 22 February 2017.
- O'Connor, John J.; Robertson, Edmund F., "William Henry Young", MacTutor History of Mathematics archive, University of St Andrews.
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