On May 30, 2020, The United States launched a manned spacecraft into low-earth orbit for the first time in nine years. SpaceX is now the first private company to launch NASA astronauts into space from US soil. The astronauts are heading to the International Space Station. And how did this happen? With a whole lot of math. As we celebrate this historic flight that could be the next step in human exploration of the Moon and even Mars, we’re highlighting two women whose love of math took them on unexpected journeys of their own.