births
Dorothy Vaughan, American mathematician (died 2008)
Related Wikipedia articles
Dorothy Vaughan
American mathematician (1910–2008)
Dorothy Jean Johnson Vaughan was an 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…Source: Wikipedia (CC BY-SA)
September 20
Day of the year
September 20 is the 263rd day of the year in the Gregorian calendar; 102 days remain until the end of the year.Source: Wikipedia (CC BY-SA)