Quote of the day
Temptation is the devil looking through the keyhole. Yielding is opening the door and inviting him in.
Tjalling Koopmans
Born: August 28, 1910
Died: February 26, 1985 (aged 74)
Bio: Tjalling Charles Koopmans was a Dutch American mathematician and economist, the joint winner with Leonid Kantorovich of the 1975 Nobel Memorial Prize in Economic Sciences.