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**Charles Whittlesey Curtis** (born October 13, 1926) is a mathematician and historian of mathematics, known for his work in finite group theory and representation theory. He is a retired professor of mathematics at the University of Oregon.

Curtis introduced Curtis duality, a duality operation on the characters of a reductive group over a finite field. His book with Irving Reiner, (Curtis & Reiner 1962), was the standard text on representation theory for many years.

Curtis received a bachelor's degree from Bowdoin College in 1948,^{[1]} and his Ph.D. from Yale University in 1951, under the supervision of Nathan Jacobson.^{[2]} He taught at the University of Wisconsin–Madison from 1954 to 1963.^{[3]} Subsequently, he moved to the University of Oregon, where he is an emeritus professor.^{[4]}

While at Yale, on June 17, 1950 in Cheshire, Connecticut, Curtis married his wife Elizabeth, a kindergarten teacher and childcare provider. At the time of their 50th anniversary in 2000, they had three grandchildren.^{[5]}

In 2012 he became a fellow of the American Mathematical Society.^{[6]}

- Curtis, Charles W. (1999),
*Pioneers of Representation Theory: Frobenius, Burnside, Schur, and Brauer*, History of Mathematics, Providence, R.I.: American Mathematical Society, ISBN 978-0-8218-2677-5.^{[7]}^{[8]}^{[9]}^{[10]} - Curtis, Charles W.; Reiner, Irving (1962),
*Representation theory of finite groups and associative algebras*, Pure and Applied Mathematics, Vol. XI, Interscience Publishers, a division of John Wiley & Sons, New York-London, ISBN 978-0-8218-4066-5, MR 0144979 - Curtis, Charles W.; Reiner, Irving (1981),
*Methods of representation theory. Vol. I*, New York: John Wiley & Sons, ISBN 978-0-471-18994-7, MR 0632548^{[11]} - Curtis, Charles W.; Reiner, Irving (1987),
*Methods of representation theory. Vol. II*, New York: John Wiley & Sons, ISBN 978-0-471-88871-0^{[12]} - Curtis, Charles W. (1974),
*Linear Algebra*, Pearson Allyn & Bacon, ISBN 978-0205040087

**^**University of Oregon Catalog 2011–2012 Archived July 20, 2011, at the Wayback Machine, retrieved 2011-07-11.**^**Charles W. Curtis at the Mathematics Genealogy Project**^**UW Math Department Faculty 1849-2010 Archived 2012-08-29 at the Wayback Machine, retrieved 2011-07-11.**^**Emeritus Faculty Directory Archived 2012-04-27 at the Wayback Machine, University of Oregon Department of Mathematics, retrieved 2011-07-11.**^**"Curtis",*Eugene Register-Guardian*, July 24, 2000.**^**List of Fellows of the American Mathematical Society, retrieved 2012-11-10.**^**Review of*Pioneers of Representation Theory*by Peter G. Neumann, MR1715145.**^**Review of*Pioneers of Representation Theory*by J. E. Humphreys,*Bull. AMS*, 2000, doi:10.1090/S0273-0979-00-00867-3.**^**Review of*Pioneers of Representation Theory*by Leo Corry,*Isis*, 2001.**^**Review of*Pioneers of Representation Theory*by Thomas Hawkins,*Historia Mathematica*, 2003, doi:10.1016/S0315-0860(02)00012-5.**^**Carlson, Jon F. (1983). "Review:*Methods of representation theory*, Vol. I, by C. W. Curtis and I. Reiner".*Bull. Amer. Math. Soc. (N.S.)*.**8**(1): 112–116. doi:10.1090/s0273-0979-1983-15099-1.**^**Carlson, Jon F. (1987). "Review:*Methods of representation theory*, Vol. II, by C. W. Curtis and I. Reiner".*Bull. Amer. Math. Soc. (N.S.)*.**1988**(2): 484–488. doi:10.1090/S0273-0979-1988-15709-6.

- Pictures of C. W. Curtis from Oberwolfach