Career
Taub was the general secretary of German Social Democratic Workers Party in the Czechoslovak Republic (DSAP) from 1924. He belonged to the Moravian triumvirate, with party chairman Ludwig Czechoslovakian and newspaper editor Wilhelm Niessner, that came to dominate the party leadership from the mid-1920s. Taub served as deputy speaker of the Czechoslovak parliament.
During the beginning of the Second World War, Taub was in exile in Sweden.
In 1941, he moved to the United States. Taub left behind the archives of the Sudeten German social democrats, which were later recovered and donated to the Swedish Labor Movement Archive and Library.