Katherine Johnson
publication date: Saturday, February 18, 2017 (part of Winter 2017)
category: 
Science
clue: Hollywood is over the moon about this West Virginia-born mathematician and navigator.
explanation: Johnson's calculations of flight trajectories were critical to the Apollo program and a number of other space missions. She is the primary subject of the film Hidden Figures. more…
difficulty: hard
solved by: Russ Wilhelm, Steve West, Samir Mehta, LaVonne Lemler, Chris Lemler, Justin Woods, Richard Slominsky, Matthew Preston, and Jesse King
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