Career
Born to a family of Orthodox Jews, Pfefer headed a number of progressive Jewish societies in Congress Poland, notably Ezra and Achi-Ezer. He died 1 April 1919 and is buried at the Okopowa Street Jewish Cemetery in Warsaw.
Born to a family of Orthodox Jews, Pfefer headed a number of progressive Jewish societies in Congress Poland, notably Ezra and Achi-Ezer. He died 1 April 1919 and is buried at the Okopowa Street Jewish Cemetery in Warsaw.