This fonds consists of papers of Frederick E. Fry, professor in the Department of Zoology for almost 40 years starting in 1936. A specialist in the study of fish (limnology), he spent most of his career as Director of the Ontario Fisheries Research Laboratory. His papers include mainly correspondence, research notes including data logs on the "Splake", manuscripts and files from the Great Lakes Fisheries Commission. Also included are records and artifacts from his time as a researcher for the Department of National Defence during World War II involving the C313 demand valve.