Martin Gardner (1914–2010) was an American recreational mathematician and author. For decades, he was the “Mathematical Games” columnist for Scientific American; he was also the author of over 70 books and countless articles. Some of his titles include: My Best Mathematical and Logic Puzzles (Dover Publications, 1994); The Colossal Book of Mathematics: Classic Puzzles, Paradoxes, and Problems (W.W. Norton & Company, 2001); Entertaining Mathematical Puzzles (Dover Publications, 1986); Mathematics, Magic and Mystery (Dover Publications,1977); and When You Were a Tadpole and I Was a Fish and Other Speculations about This and That (Hill and Wang, 2009).