Quote of the day
If a man insisted always on being serious, and never allowed himself a bit of fun and relaxation, he would go mad or become unstable without knowing it.
David H. Hubel
Born: February 27, 1926
Died: September 22, 2013 (aged 87)
Bio: David Hunter Hubel was a Canadian neurophysiologist noted for his studies of the structure and function of the visual cortex.