Dr. Joseph Hirsch (Tzvi) Carlebach (Karlebach) (January 30, 1883, Lübeck - March 26, 1942, was an Orthodox rabbi and Jewish-German scholar and natural scientist ("Naturwissenschaftler"). Carlebach opened a Hebrew high school in Kaunas (Kovno), Lithuania, during World War I. Afterwards, he became headmaster of the Talmud Torah high school in Hamburg. He served the Jewish communities of Luebeck (1919-22), Altona (1927-36) and Hamburg (1936-1941) as chief rabbi. Wikipedia
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