(1835-1918)
Austrian rabbi and historian. He was born in Hildesheim, Prussia. He served as rabbi in Magdeburg (from 1862) and Vienna. In 1869 he became head of the Vienna bet din, and subsequently chief rabbi. He wrote a study of trends and institutions in medieval Jewish life from the viewpoint of the non-Jewish environment. He was a leader of the opposition to Theodor Herzl's Zionism.
Dictionary of Jewish Biography. Dan Cohn-Sherbok.