Martin Gardner (1914 - 2010) edited the Mathematical Games column for ScientificAmerican from its origination in 1956 until he retired in 1986.
He wrote a number of books, including the following:
"The Scientific American Book of Mathematical Puzzles and Diversions" (ISBN 0671245597 )
"The Magic Numbers of Dr. Matrix" (ISBN 0879752823 )
He also wrote several works of fiction.
Read an interview with him at http://www.csicop.org/si/9803/gardner.html and more about him at http://www.wikipedia.org/wiki/Martin_Gardner.
-- KatieLucas