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?
Hidden Figures (book):  The biographical text follows the lives of Human Computers such as Katherine Johnson, Dorothy Vaughan, and Mary Jackson, three mathematicians 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