born Feb. 27, 1926, Windsor, Ont., Can.
Canadian-born U.S. neurobiologist.
He studied medicine at McGill University and in 1959 joined the faculty of Harvard Medical School. In 1981 he shared a Nobel Prize with Torsten Wiesel and Roger Sperry for investigations of visual perception, one of their achievements being analysis of the flow of nerve impulses from the retina to the brain's sensory and motor centres.