In what year did Dorothy Vaughan, one of the women featured in the 2016 non-fiction book, Hidden Figures, become acting supervisor of the West Area Computers?
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. Dorothy Vaughan:  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.
i don't know