But first, he insisted that Katherine Johnson double-check the ... She did trajectory analysis for Alan Shepard’s May 1961 Freedom 7 mission, part of the Project Mercury flights and the first ...
Pioneering African-American Nasa mathematician Katherine Johnson ... for Nasa astronaut Ms Johnson had previously calculated the trajectory for the space flight of Alan Shepard - the first ...
Women leaders in science, technology, engineering and math from around the world are taking part this week in the U.S. State ...
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