The article presents a biography and philosophical work of the Czech journalist and philosopher Lev Borský (September 2, 1883 Kolín/Kolin, Bohemia - after October 16, 1944 Oświeçim/Auschwitz, currently Poland). The monograph includes the biographies and scientific contributions of 46 scholars of Jewish origin from Bohemia and Moravia, who became victims of the Nazi regime in 1938/39-45.