Aleksander Gieysztor (17 July 1916 – 9 February 1999) was a Polish medievalisthistorian.
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.
La Pologne et l’Europe au Moyen Age. Warszawa, P.W.N. Conférence au Centre Scientifique Parisien de l’Académie Polonaise des Sciences le 10 décembre 1962.
Società e cultura nell’alto Medioevo Polacco. Ossolineum 1965. Conférence à l’Académie Polonaise des Sciences à Rome le 5 novembre 1963.
^M.P. 1994 nr 35 poz. 290, A 1994 President's decree on granting the Order to Geysztor, "for extraordinary actievements in educational and social activities
^M.P. 1993 nr 17 poz. 148, A 1993 President's decree on granting the Order to Geysztor, for exceptional merit for Polish science and culture