World authority on reproductive cycles of birds and mammals, specialyt in photoperiodicity (the study of light on animals’ and plants’ seasonal cycles).
Born 1885 Dundas, Ontario
J. Pierpont Morgan Professor of Biology Trinity College
Work with State Department of Fisheries and Game at Shade Swamp Sanctuary during 1930s.
Directed courses in Invertebrate Zoology at Marine Biological Laboratory at Woods Hole, Massachussetts.
Listed as one of the thousand leading scientist, American Men of Science 1937
1946 awarded Walker Grand Prize, Boston Society of Natural History
