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Rolf Cahn (August 14, 1924 – August 1, 1994) was an American folk musician, martial arts teacher, author, and social activist. Born in Germany, he and his family, who were Jewish, fled from Adolf Hitler's oppression and arrived in the United States in 1937. They settled in Detroit, Michigan. Cahn later moved to Cambridge, Massachusetts, and thence to Berkeley, California and on to Santa Fe, New Mexico.