Isaac Klein (1905-1979).Rabbi Isaac Klein was born in Hungary in 1905, and emigrated with his family to the United States in 1921. After earning a BA from City College in New York in 1931, As he was nearing ordination at the Yeshiva's REITS he transferred to the Jewish Theological Seminary of America where he was ordained in 1934. Rabbi Klein subsequently earned a PhD from Harvard. Wikipedia
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Rabbi Klein was the rabbi of Temple Emanu-El and subsequently Temple Shaarey Zedek after the merger of Temple Emanu-El and Temple Beth David Ner Israel. www.jbuff.com/ikle.htm