Leon Chwistek

Polish painter, philosopher and logician (*1884 – †1944).

Born June 13th, 1884 in Kraków. [ref]

Died August 20th, 1944 at 60 years old in Barvikha.

Occupations
aesthetician, art theorist, literary critic, logician, mathematician, painter, philosopher, university teacher
Wikipedia

I want to be all used up when I die. George Bernard Shaw