Born July 25, 1905, in Košlce, Czechoslovakia; died Oct. 9, 1942, in Budapest. Figure in the Czechoslovak, Hungarian, and international working-class movements; an electrical engineer by education.
After graduating from Charles University in Prague, Schönherz worked for the Communist Party of Czechoslovakia (CPC). In 1934 he served as secretary of the Hungarian group of the Youth League of Slovakia; in 1935 he was a representative of the Czechoslovak Communist Youth in the Communist International of Youth. Schönherz helped organize an antifascist league of Slovak and Hungarian youth organizations between 1936 and 1938, and he was one of the leaders of the Hungarian Youth League, which was established by the CPC. In December 1940 he became a member of the Secretariat of the Communist Party of Hungary (CPH), and in January 1941 he became a member of the Central Committee. As a participant in the resistance movement in Hungary, he headed the Committee for National Independence and contributed to the newspaper Szabad nép, an organ of the CPH.
Schönherz was arrested on July 6, 1942, and was executed in accordance with the sentence of a military tribunal.