Jerzy Lesław Wyrozumski was a historian, medievalist, professor at the Jagiellonian University, in the years 1981–1986 dean of the Faculty of Philosophy and History of the Jagiellonian University, in the years 1987–1990 Vice-Rector of the Jagiellonian University, organizer, member and, in the years 1994–2015, secretary general of the revived Polish Academy of Arts and Sciences, between 1980 and 2015 president of the Towarzystwo Miłośników Historii i Zabytków Krakowa.