For a biographical note see: H.E. Dominicus, Mauthausen. Een gedenkboek (2e herziene en uitgebreide druk; Amsterdam 1999) 70.
Leonard Louis Horneman was a butcher's son. Next to Leonard, the Hornemans had two other children. Leonard read economics at Rotterdam university and went on to work as a manager in the WEKA toyfactory of the Kann brothers in Oldenzaal. He was married, in May of 1941. In …