Jan Lukasiewicz [photograph 2]

Jan Lukasiewicz [photograph 2]

A photograph of Jan Łukasiewicz (1878 – 1956), the famous founder of the Polish school of logic, who had enormous influence on Arthur Prior's own development as a logician. Łukasiewicz was a professor of philosophy at the University of Warsaw until the end of WWII, when he emigrated to Ireland and taught logic at the University College Dublin until his death. He is the inventor of the Polish notation – the logical symbolism that become the signature of Prior's own logical writings. This photograph is taken in 1947.

The Private Archive of Jacek Jadacki, Warsaw

1947

Jacek Jadacki

Copyright Jacek Jadacki. Used with permission. All rights reserved

AP230

JPEG

AP230a

b/w photograph