Martin Gardner, the Mathematical Gamester (1914-2010)

I well remember the article on flexagons he wrote for Scientific American. I enjoyed making some and decorating them to see how they would change when flexed.

http://www.scientificamerican.com/article.cfm?id=profile-of-martin-gardner

For 25 years, he wrote Scientific American's Mathematical Games column, educating and entertaining minds and launching the careers of generations of mathematicians

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