Charles Paul Alexander, a professor and head of the Entomology Department from 1922 until 1959, was the international expert on the crane fly (Tipulidae). Alexander was born in Groversville, New York in 1889, earned his B.S. (1913) and Ph.D. (1918) from Cornell University and joined the Massachusetts Agricultural College faculty in 1922. Alexander became the head of the Entomology Dept. and the Zoology Dept. in 1937 and then the dean of the the School of Science in 1945 and while at the University, classified nearly 13,000 species of crane fly. His personal collection of crane flies is held by the Smithsonian Institute. Alexander died in 1981.