David Grover Frey (1915-1992) was a zoologist that specialized in limnology and a recognized authority on Cladocera (water fleas). He was born in Hartford, Wisconsin, and attended University of Wisconsin, Madison where he studied zoology and earned a B.A. in 1936, M.A. in 1938, and Ph.D. in 1940. He briefly worked for the U.S. Fish and Wildlife Service, before becoming part of a task force that studied war damage of Philippines' pond fisheries in 1946. He then joined the faculty of University of North Carolina, where he began to study paleoecology. Frey joined the faculty at Indiana University in 1950, where he began to study the fossil remains of Cladocera. He retired from Indiana University in 1986. Frey was married to Elizabeth Jones. He passed away April 1, 1992.
Source:
Whitehead, Donald. "David G. Frey." Retrieved June 13, 2016 from http://www.bio.indiana.edu/about/history/biographies/Frey_David_retirement.pdf
University Archives, Indiana University, Bloomington. (2016). "David G. Frey papers, 1877-2000, bulk 1937-1992". Archives online at Indiana University. Retrieved on June 13, 2016 from http://webapp1.dlib.indiana.edu/findingaids/view?doc.view=entire_text&docId=InU-Ar-VAD1242