Edmond Halley
publication date: Tuesday, March 15, 2016 (part of Spring 2016)
category: Science
clue: He mapped the southern constellations, put a window in a diving bell, and computed the orbit of a comet that still visits us every three quarters of a century.
intended difficulty: medium
solved by: Russ Wilhelm, Steve West, LaVonne Lemler, Samir Mehta, Chris Lemler, Justin Woods, Matthew Preston, Joanna Woods, and Mike Rothstein