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, Richard Slominsky, Justin Woods, Joanna Woods, 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?

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 »

Adriana Lima

I double-checked to make sure that this Victoria's Secret and Maybelline model is Brazilian, since she's named after the capital of a neighboring country. Go »

Rodrigo Santoro

He wasn't very popular with viewers of Lost, or with the three hundred Spartan soldiers who fought him. Go »

Robert Rey

Few plastic surgeons are known by the zip code they work in, even if it's the famous zip code of Beverly Hills and they're reality TV stars. Go »

Kaká

Many top footballers think they're the shit. This midfielder for Real Madrid might actually be. Go »

Elon Musk

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