Kazimierz Zakrzewski

Kazimierz Zakrzewski was a Polish historian, journalist and publicist, a professor of the University of Warsaw. Zakrzewski was a co-originator of the Polish syndicalist movement, activist of the trade union Związek Związków Zawodowych, and researcher of ancient history and the Byzantine culture. He wrote Historia Bizancjum and co-authored the Polish popular history encyclopedia Wielka historia powszechna. During World War II, Zakrzewski was murdered by the Germans in a mass execution at Palmiry.