Before John Glenn orbited the earth, or Neil Armstrong walked on the moon, a group of dedicated female mathematicians known as human computers used pencils, slide rules and adding machines to calculate the numbers that would launch rockets, and astronauts, into space. Among these problem-solvers were a group of exceptionally talented African American women, some [...]The post Hidden Figures, Margot Lee Shetterly appeared first on Owl & Turtle Bookshop Café.