Aleksander Gieysztor
Aleksander Gieysztor (17 July 1916 – 9 February 1999) was a Polish medievalist historian. Life. Aleksander Gieysztor was born to a Polish family in Moscow, Russia, where his father worked as a railwayman. In 1921, the family relocated to Poland and settled in Warsaw. He graduated in history from the University of Warsaw in 1937. He was married to Irena Gieysztor née Czarnecka, a fellow historian. The Aleksander Gieysztor Prize of the Kronenberg Foundation and the Aleksander Gieysztor Academy of Humanities are named after him.