Emil Leon Post

Polish-born american logician (1897–1954).

Born February 11th, 1897 in Augustów. [ref]

Died April 21st, 1954 at 57 years old in New York City. [ref]

Occupations
logician, mathematician, philosopher, university teacher
Wikipedia

Because I have loved life, I shall have no sorrow to die. Amelia Burr