Gottfried S. Fraenkel

Gottfried Samuel Fraenkel (April 29, 1901 – October 27, 1984) was a German-born American insect physiologist and a professor of entomology at the University of Illinois. He is considered a founding figure in the field of insect nutrition and endocrinology. He also studied insect behavior and wrote an influential book along with D.L. Gunn, The Orientation of Animals (1940, 1961).