publication date: Friday, December 30, 2011 (part of Winter 2012)

category: Inventions

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

explanation: Pavel invented the device that eventually became the Sony Walkman, but required years of litigation to get credit and payment. more…

solved by: Russ Wilhelm, Steve West, LaVonne Lemler, Samir Mehta, Chris Lemler, Justin Woods, Joanna Woods, Richard Slominsky, Mike Rothstein, Steve Dunn, and Ryan Dunn

Repúbluca Federativa do Brasil: By far the largest nation in South America, the cultural and economic powerhouse of Brazil has produced celebrities in every field. Can you name these five?

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