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.
Jean Fernel

Born: 1497
Died: April 26, 1558 (aged 61)
Bio: Jean François Fernel was a French physician who introduced the term "physiology" to describe the study of the body's function. He was the first person to describe the spinal canal. The lunar crater Fernelius is named after him.