
Rep. Joyce Beatty @RepBeatty
February 20, 1962. John Glenn becomes the first American to orbit Earth. The trip was made possible in no small part because of @NASA mathematician Katherine Johnson, who calculated the orbit and re-entry of Glenn’s capsule by hand. #BlackHistoryMonth #HiddenFigures https://t.co/SCtXGk8gD8 — PolitiTweet.org