A portrait of NASA mathematician Katherine Johnson faces guests prior to a memorial service in her honor on Saturday, March 7, 2020, at Hampton University Convocation Center in Hampton, Va. Johnson, a mathematician who calculated rocket trajectories and earth orbits for NASA’s early space missions and was later portrayed in the 2016 hit film “Hidden Figures,” about pioneering black female aerospace workers died on Monday, Feb. 24, 2020. She was 101. (Kaitlin McKeown /The Virginian-Pilot via AP)
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