- National Academies (1959)
- American Association for the Advancement of Science
- Guggenheim Fellow (1953)
- Fulbright Award (1952)
David Grover Frey was a zoologist who specialized in limnology. He was a recognized authority on Cladocera (water fleas). Born in Hartford, Wisconsin, he attended University of Wisconsin, Madison where he studied zoology and completed a B.A. in 1936, M.A. in 1938, and Ph.D. in 1940. He worked for a short time for the U.S. Fish and Wildlife Service, and then joined a task force that studied war damage of Philippines' pond fisheries in 1946.
He joined the University of North Carolina faculty, where he began to study paleoecology. Frey became a member of the faculty at Indiana University in 1950, where he studied the fossil remains of Cladocera. He was awarded a Guggenheim Fellowship in 1953. He retired from Indiana University in 1986.