Simcha Bunim Alter (April 6, 1898 – July 8, 1992), also known as the Lev Simcha (לב שמחה), after the works he authored, was the sixth Rebbe of the Hasidic dynasty of Ger, a position he held from 1977 until his death. In 1980, he instituted Yerushalmi Yomi, the daily learning of a page of the Jerusalem Talmud, similar to the renowned Daf Yomi for the Babylonian Talmud. He died on July 7, 1992 (7th of Tammuz 5752), and was interred in the cave of the Gerrer Rebbes in the Mount of Olives cemetery.