Who played Katherine Johnson in Hidden Figures along with African American mathematician, Dorothy Vaughan?
Hidden Figures:  The film stars Taraji P. Henson as Katherine Johnson, a mathematician who calculated flight trajectories for Project Mercury and other missions. 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.
i don't know