Jerzy Pniewski
Polish physicist
Jerzy Pniewski was a Polish physicist, professor at the University of Warsaw and a member of the Polish Academy of Sciences. He is known for discovering the hypernucleus together with Marian Danysz in 1952. Wikipedia
Born: June 1, 1913, Płock, Poland
Died: June 16, 1989 (age 76 years), Warsaw, Poland
Awards: Marian Smoluchowski Medal (1969) and Order of Polonia Restituta (1974)