Jewish Combat Organization
Michał Klepfisz (Warsaw, 17 April 1913 – 20 April 1943, Warsaw) was a chemical engineer, activist for the Bund, and member of the Jewish Morgenstern sports organization. During World War II he belonged to the Jewish Combat Organization, fighting the Nazi German forces in Poland. He was killed in the Warsaw Ghetto Uprising and was posthumously decorated by the Polish government in exile with a Silver Cross of the Virtuti Militari.