Karel Hasler

Karel Hasler was born on October 31, 1879 in Prague, Austria-Hungary [now Czech Republic]. He was an actor and writer, known for Ircin románek (1936), Batalion (1927) and Ballad-Singer (1932). He died on December 22, 1941 in Mauthausen concentration camp, Upper Danube, Germany [now Upper Austria, Austria].