Botanist.
William "Bill" J. Crins (born 1955) is a botanist, naturalist, and ecologist. After graduating from M. M. Robinson High School in Burlington, Ontario, Crins matriculated in 1974 at the University of Guelph, where he graduated in 1978 with a B.Sc. in botany. During the summers of the years 1972–1978 he worked at Algonquin Provincial Park as an interpretive naturalist. In 1985 he graduated from the University of Toronto with a Ph.D. in systematic botany. After receiving his Ph.D., he did research at the University of British Columbia, where he worked on tarweed evolution with Bruce Arthur Bohm.