Mathematician:Samuel Loyd

Mathematician
American chess player, chess composer, puzzle author, and recreational mathematician.

Nationality
American

History

 * Born: 31 January 1841 in Philadelphia, Pennsylvania, USA
 * Died: 10 April 1911 in New York, USA

Note that there are discrepancies online as to whether his birthday is $30$ or $31$ January.

follows MacTutor in this.

Creations

 * Sam Loyd's Missing Square
 * Sam Loyd's Fifteen Puzzle

Publications

 * Sam Loyd's Book of Tangram Puzzles
 * The 8th Book of Tan
 * Sam Loyd's Cyclopedia of 5000 Puzzles, Tricks and Conundrums with Answers