Quote of the day
What can you conceive more silly and extravagant than to suppose a man racking his brains, and studying night and day how to fly?
Hartley Rogers Jr.

Born: 1926
Died: July 17, 2015 (aged 89)
Bio: Hartley Rogers Jr. was a mathematician who worked in recursion theory, and was a professor in the Mathematics Department of the Massachusetts Institute of Technology. The Rogers equivalence theorem is named after him.