American inventor Marjorie Stewart Joyner (1896 - 1994) (right) speaks with an unidentified woman at an unidentified, outdoor event, late 1960s. Joyner was one of the first (if not the first) African-American woman to receive a patent, for her method of hair straightening. (Photo by The Abbott Sengstacke Family Papers/Robert Abbott Sengstacke/Getty Images)
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Archive Photos Robert Abbott Sengstacke