publication date: Thursday, February 23, 2012 (part of Winter 2012)

category: Inventions

clue: This real-life Iron Man made his vast fortune by co-founding an alliterative Internet company.

explanation: Musk was a developer of electric cars and space vehicles, partially inspiring Robert Downey Jr.'s characterization of Iron Man in movies. He initially made his fortune by co-founding Paypal. more…

solved by: Russ Wilhelm, Steve West, LaVonne Lemler, Samir Mehta, Chris Lemler, Justin Woods, Denise Sawicki, Joanna Woods, Erik Bates, Steve Dunn, and Aaron Shurtleff

Winter 2012 Tournament: It's the ultimate battle for supremacy! Or, it's just a silly online game. Take your pick. Players will face off in one-on-one competitions until all but one is eliminated, producing a season champion. Have fun!

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