Max Dehn

German-american mathematician (1878-1952).

Born November 13th, 1878 in Hamburg.

Died June 27th, 1952 at 73 years old in Black Mountain.

Occupations
historian of mathematics, mathematician, topologist, university teacher
Wikipedia

Death is not the biggest fear we have; our biggest fear is taking the risk to be alive – the risk to be alive and express what we really are. Miguel Angel Ruiz