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…
intended difficulty: hard
solved by: Russ Wilhelm, Steve West, LaVonne Lemler, Samir Mehta, Chris Lemler, Richard Slominsky, Justin Woods, Matthew Preston, and Jesse King