Andrzej Grzegorczyk ([ˈandʐɛj ɡʐɛˈɡɔrt͡ʂɨk]; 22 August 1922 – 20 March 2014) was a Polish logician, mathematician, philosopher and ethicist. He was 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. They 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.