Cinema Personalities, pic: circa 1930's, Marlene Dietrich, (1901-1992) right, pictured wearing slacks one of the first to wear them, A German born actress who first won fame in the film "The Blue Angel" in 1930, she went to Hollywood and became a U,S,citizen in 1937, She had a husky sultry singing voice which added to her appeal  (Photo by Popperfoto via Getty Images/Getty Images)