Sam Loyd

Samuel Loyd (January 31, 1841 - April 10, 1911) was an American puzzle author and recreational mathematician.

Related Topics:
January 31 - 1841 - April 10 - 1911 - American - Puzzle - Recreational mathematician

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Loyd popularized and is usually credited with the invention of the fifteen puzzle. He also authored a number of chess problems, often with witty themes. Following his death, his book Cyclopedia of Puzzles was published (1914).

Related Topics:
Fifteen puzzle - Chess problem - 1914

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An enthusiast of Tangram puzzles, Loyd published a book of seven hundred unique Tangram designs and a fanciful history of the origin of the Tangram. Europe and America were experiencing a Tangram craze at the time, and Loyd's popular book earned him a significant amount of income.

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