
Katherine Johnson
Katherine Johnson is a mathematician who contributed to NASA in the early 1960s. She is best known for her work on the Mercury and Apollo programs, calculating the trajectories for manned spaceflights.
Katherine Johnson is a mathematician who contributed to NASA in the early 1960s. She is best known for her work on the Mercury and Apollo programs, calculating the trajectories for manned spaceflights.
Grace Hopper is a computer scientist, mathematician, and a Rear Admiral in the United States Navy. She was born on December 9th, 1906 in New York City.