[ad_1] Mathematician. Leader. Heroine. Katherine Johnson not only helped calculate the trajectories that took our Apollo astronauts to the Moon — she was champion for women and minorities in the space program and the world as a whole. We honor her memory today. https://t.co/kH9qEEvdMY pic.twitter.com/A341ukDFTl — Women@NASA (@WomenNASA) February 24, 2020 Johnson was born in […]