Jerzy Szacki

Jerzy Ryszard Szacki (6 February 1929 – 25 October 2016) was a Polish sociologist and historian of ideas. From 1973 he was a professor at the University of Warsaw, and in 1991 became a member of the Polish Academy of Sciences. He is considered one of the most prominent representatives of the Warsaw School of the History of Ideas. Provided by Wikipedia