Known for his research on the brain's visual cortex, he was the 1981 recipient of the Nobel Prize in Physiology. Also an academic, he taught for many years at the Harvard University Medical School.
He earned both his undergraduate degree in physics and his medical degree from McGill University in Montreal, Quebec.
He and his research partner and fellow Nobel Prize recipient, Torsten Wiesel, studied visual processing by conducting experiments on cats.
His marriage to Ruth Izzard resulted in three sons and lasted from 1953 until Izzard's death in February of 2013 (Hubel died of kidney failure just seven months later).
He and molecular biologist Walter Gilbert were both early 1980s recipients of the Nobel Prize.