U.S. Department of Education @usedgov
As we mark #WomenInScienceDay, we remember pioneers like Katherine Johnson. As one of the first Black women to work as a @NASA scientist, her calculations helped send astronauts into orbit in the early 1960s & to the moon in 1969. #BlackHistoryMonth https://t.co/PYZz0C9H9Y — PolitiTweet.org