He was also a member of the Society for the Culture and Science of the Jews alongside Joel Abraham List, Isaac Marcus Jost, Leopold Zunz, and Eduard Gans.
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An intimate friendship connected him with Leopold Zunz, who was also a pupil in that school, and together they prepared themselves for the entrance examination of the gymnasium.
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Zirndorf, Isaak Markus Jost und Seine Freunde, Cincinnati, 1886.
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