Janusz Andrzej Zakrzewski

Janusz Andrzej Zakrzewski (July 23, 1932 in Kraków – October 26, 2008 in Warsaw) was a Polish physicist. He was a professor of the University of Warsaw (since 1971), member of the Warsaw Scientific Society (since 1984), Polish Academy of Sciences (1986), Polish Academy of Learning.

Zakrzewski was a researcher and author of works about high-energy nuclear physics and elementary particles. He participated in discovery of heavy atomic nucleus (1961) and double hypernucleus (1963). He was a co-author (with Andrzej Kajetan Wróblewski) of handbook Wstęp do fizyki ("Introduction to physics").