Given name: Maurycy Family name: Mayzel

Industrialist. In 1920, one of the commissars in the Council for Defence of the Capital. Outstanding worker for voluntary causes, chairman of the Berek Joselewicz Riflemen's Association (Zwiazek Strzelecki), chairman of the audit commission, councillor, deputy chairman of the Warsaw Municipal Council, commercial judge, deputy chairman of the Union of Merchants Headquarters, one of the founders of the Fryderyk Chopin Institute, activist of many Jewish and Polish social institutions. Before the World War II, chairman of the Warsaw Jewish Community. He left the city following colonel Umiastowski's appeal.