Career
Sommerstein spent most of his life in Lwow, where in the interbellum period he was director of the Lawyers Office. He also published articles in several Polish and Jewish newspapers and magazines, such as Chwila, Glos Prawa and Gazeta Bankowa. Among others, he founded first organization of Jewish farmers - Lesser Poland’s Union of Farmers, and in 1933, he co-created United Antihitlerite Committee in Warsaw.
When Lwow was annexed by the Soviet Union, Sommerstein organized the Committee of Helping Jewish Refugees from Germany.
Arrested by the People’s Commissariat of Internal Affairs, he was sent to a gulag, and later released. In 1946 Sommerstein left Poland for United States of America, where he died.
