(b. 26 March 1942, Krosin, near Czarnków)
Krzyśko studied mathematics at Adam Mickiewicz University from 1960 to 1965, and went on to obtain a doctorate there in 1972 (under the supervision of Tadeusz Caliński). He gained his habilitation degree in 1977, and was awarded the title of professor in 1985. He was the dean of the Faculty of Mathematics and Physics in 1985–1987, and director of the Institute of Mathematics in 1987–1990. His research interests relate to mathematical statistics and probability theory. He has published 170 papers and two monographic works, and acted as supervisor to seven successful doctoral students. In 1965 he received a prize and distinction in the Polish Mathematical Society’s Józef Marcinkiewicz Competition for the best undergraduate work in mathematics. In 2018 he was awarded the Jerzy Spława-Neyman Medal. He holds an honorary doctorate from Rivne University in Ukraine, and is an honorary member of the Polish Statistical Society.
L. Maligranda, W. Wnuk, 100 lat matematyki na uniwersytecie w Poznaniu 1919–2019, Wyd. Nauk. UAM, Poznań 2021, p. 439.