Who played Katherine Johnson in Hidden Figures along with African American mathematician, Dorothy Vaughan?
Dorothy Vaughan Dorothy Johnson Vaughan (September 20, 1910 – November 10, 2008) was an African American mathematician and human computer who worked for the National Advisory Committee for Aeronautics (NACA), and NASA, at Langley Research Center in Hampton, Virginia. In 1949, she became acting supervisor of the West Area Computers, the first African-American woman to supervise a group of staff at the center.
Karen Valentine Karen Lynne Valentine (born May 25, 1947) is an American actress. She is best known for her role as the idealistic schoolteacher Alice Johnson in the ABC comedy drama series "Room 222" from 1969 to 1974, for which she won Primetime Emmy Award for Outstanding Supporting Actress in a Comedy Series in 1970, and received a Golden Globe Award nomination in 1971. She later went to star in own short-lived sitcom "Karen" (1975), and played female leading roles in films "Hot Lead and Cold Feet" (1978) and "The North Avenue Irregulars" (1979).