Carl Icahn
publication date: Wednesday, May 3, 2017 (part of Spring 2017)
category: Business
clue: Among America's wealthiest investors, he has become an icon for his aggressive criticism and hostile takeovers (and more recently, his early support of Donald Trump's campaign).
intended difficulty: hard
solved by: Russ Wilhelm, Steve West, LaVonne Lemler, Samir Mehta, Chris Lemler, Justin Woods, Aaron Shurtleff, and Jesse King