Andrzej Grzegorczyk

Andrzej Grzegorczyk (22 August 1922 – 20 March 2014) was a Polish logician, mathematician, philosopher, and ethicist noted for his work in computability, mathematical logic and the foundations of mathematics.

Family
In 1953, Grzegorczyk married Renata Maria Grzegorczykowa, a Polish philologist and expert in polonist linguistics. Grzegorczyk had a daughter and a son.

Grzegorczyk died of natural causes in Warsaw on 20 March 2014 at the age of 91. His body is buried in the Cemetery of Pruszków.