Company Site – includes biography and his puzzles Biography from the School of Mathematics and Statistics website at the University of St Andrews Chess Chessmetrics entry for Loyd Loyd problems on PDB Server Interactive puzzle Farmer and Wife to Catch Rooster and Hen – interactive Sam Loyd's puzzle Solve Loyd's 16 squares puzzle interactively 1841 births 1911 deaths Puzzle designers Recreational mathematicians Mathematics popularizers American chess players American chess writers American male non-fiction writers Chess composers Sportspeople from Philadelphia American people of Welsh descent Writers from Philadelphia People involved in plagiarism controversies 19th-century chess players