William Pitt Durfee (5 February 1855 – 17 December 1941) was an American mathematician who introduced Durfee squares. He was a student of James Sylvester, and after obtaining his degree in 1883 he became a professor at Hobart college in 1884 and became dean in 1888. Durfee House and Durfee Hall are named in his honor.
Parshall, Karen Hunger (2005), "The emergence of the American Mathematical research community", in Kinyon, Michael; Van Brummelen, Glen (eds.), Mathematics and the historian's craft, CMS Books in Mathematics/Ouvrages de Mathématiques de la SMC, 21, Berlin, New York: Springer-Verlag, p. 191, doi:10.1007/0-387-28272-6, ISBN978-0-387-25284-1, MR2156756