Wilhelm Ackermann

German mathematician best known for the ackermann function.

Born March 29th, 1896 in Herscheid. [ref]

Died December 24th, 1962 at 66 years old in Lüdenscheid. [ref]

Occupations
high school teacher, mathematician, philosopher
Wikipedia
Wilhelm_Ackermann

They say you die twice. One time when you stop breathing and a second time, a bit later on, when somebody says your name for the last time. Banksy