February 27th
- Canadian-born American neurobiologist, who was a corecipient (with Torsten Nils Wiesel and Roger Wolcott Sperry) of the 1981 Nobel Prize.
- For Physiology or Medicine for mapping the path of nerve impulses from the eye to various centres of the brain.
- Their studies were in the area of visual perception, with particular emphasis on the nerve impulses mediating between the retina and the brain.
