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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 society.

The medal is awarded every third year (in years divisible by 3) to a mathematician who is normally resident in the United Kingdom on 1 January of the relevant year. The only grounds for the award of the medal are the candidate's contributions to mathematics.

In 1968,
Mary Cartwright became the first woman to receive the award.^{
[1]}

Recipients of the De Morgan Medal include the following:^{
[2]}

- 1884 Arthur Cayley
- 1887 James Joseph Sylvester
- 1890 Lord Rayleigh
- 1893 Felix Klein
- 1896 S. Roberts
- 1899 William Burnside
- 1902 A. G. Greenhill
- 1905 H. F. Baker
- 1908 J. W. L. Glaisher
- 1911 Horace Lamb
- 1914 J. Larmor
- 1917 W. H. Young
- 1920 E. W. Hobson
- 1923 P. A. MacMahon
- 1926 A. E. H. Love
- 1929 Godfrey Harold Hardy
- 1932 Bertrand Russell
- 1935 E. T. Whittaker
- 1938 J. E. Littlewood
- 1941 Louis Mordell
- 1944 Sydney Chapman
- 1947 George Neville Watson
- 1950 A. S. Besicovitch
- 1953 E. C. Titchmarsh
- 1956 G. I. Taylor
- 1959 W. V. D. Hodge
- 1962 Max Newman
- 1965 Philip Hall
- 1968 Mary Cartwright
- 1971 Kurt Mahler
- 1974 Graham Higman
- 1977 C. Ambrose Rogers
- 1980 Michael Atiyah
- 1983 K. F. Roth
- 1986 J. W. S. Cassels
- 1989 D. G. Kendall
- 1992 Albrecht Fröhlich
- 1995 W. K. Hayman
- 1998 R. A. Rankin
- 2001 J. A. Green
- 2004 Roger Penrose
- 2007 Bryan John Birch
- 2010 Keith William Morton
- 2013 John Griggs Thompson
- 2016 Timothy Gowers
- 2019 Andrew Wiles
- 2022 John M. Ball

- Whitehead Prize
- Fröhlich Prize
- Senior Whitehead Prize
- Berwick Prize
- Naylor Prize and Lectureship
- Pólya Prize (LMS)
- List of mathematics awards

**^**🖉 "Prizes, Awards, and Honors for Women Mathematicians".*mathwomen.agnesscott.org*.**^**List of LMS prize winners, LMS website, accessed July 2011