Katherine Johnson, legendary NASA mathematician and 'hidden figure,' dies at 101
10:54am PST - February 24th, 2020 katherine johnson - TechCrunchKatherine Johnson, a mathematician who defied prejudice in the ’50s and ’60s to help NASA send the first men to the moon, has died at the age of 101. Only recently famous after the film “Hidden Figures” was made about her and her colleagues, she maintained un…