Courtesy of Wikipedia

Ismar Elbogen (September 1, 1874 – August 1, 1943) was a German rabbi, scholar and historian.
Yitzhak Moshe (Itamar) Elbogen was born in Posen. He was taught by his uncle, Jacob Levy, author of the “Neuhebräisches Wörterbuch“, and then attended the gymnasium and the Jewish Theological Seminary in Breslau. He earned his doctorate from the Breslau University and was ordained as a rabbi in 1899.
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