Dorothy Johnson Vaughan was born september 20,1910 in her hometown Kansas City, Missouri. She was hired by NACA which later became (NASA) December of 1943. Dorothy made important contributions to the early years of the U.S. space program and was the first African American manager at the National Advisory Committee for Aeronautics. As a group of African American female mathematicians who were considered “human computers” performing complex computations and getting data for aerospace engineers. Dorothy Johnson was responsible for calculating mathematical computations for engineers conducting aeronautical experiments in wind tunnels on the variables effecting the drag and lift of the aircraft. In 1949 Dorothy Johnson Vaughan became the first black