Samuel Loyd (January 30, 1841 – April 10, 1911) was an American chess player, chess composer, puzzle author, and recreational mathematician. Loyd was born...

Famous Trick Donkeys is a puzzle invented by Sam Loyd in 1858, first printed on a card supposed to promote P.T. Barnum's circus. At that time, the puzzle...

1911, Sam Loyd claimed that he had invented the puzzle. However, Loyd had no connection to the invention or initial popularity of the puzzle. Loyd's first...

an intellectual precursor to the nine dots puzzle appeared credited to Sam Loyd. Said chess puzzle corresponds to a "64 dots puzzle", i.e., marking all...

The Sam Loyd Company is an organization based in the United States that specializes in puzzle games. The company was launched in 2002 after the work of...

by Sam Loyd. 1903 – via Tangram Channel. "The Magic Dice Cup". 2 April 2011. Loyd, Sam (1968). The eighth book of Tan – 700 Tangrams by Sam Loyd with...

Emily Cox Henry Dudeney Tony Fisher Martin Gardner Scott Kim Lloyd King Sam Loyd Uwe Mèffert Larry D. Nichols Henry Rathvon Tom M. Rodgers Ernő Rubik Mike...

Sam Loyd, London Era, 1861 "Excelsior" is one of Sam Loyd's most famous chess problems, originally published in London Era in 1861. In 1867, it participated...

diagonal. The paradox is sometimes attributed to the American puzzle inventor Sam Loyd (1841–1911) and the German mathematician Oskar Schlömilch (1832–1901)....

Mathematics. USA: World Scientific. ISBN 9789811214509. Loyd, Sam (1959). Mathematical Puzzles of Sam Loyd (selected and edited by Martin Gardner), Dover Publications...