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!

Similar Goos

Ada Lovelace

The world's first computer programmer might only have been remembered for her poet father if she hadn't been inspired by Charles Babbage. Go »

Andreas Pavel

Long before you walked around enjoying music on your phone or MP3 player, this inventor first made it possible, not that Sony credited him. Go »

Dolly Parton

Noisy roller-coaster passengers are full of joy. Go »

Jeremy Lin

Can you turn into an overnight success story like this Ivy Leaguer? Go »

Dean Ornish

How many other cardiologists and dietitians acknowledge a debt to a swami in their work? Go »

Nancy Brinker

What does cutting funding to a reproductive health organization have to do with helping your sisters avoid cancer? Go »