Arthur Wynne's is the inventor of the crossword puzzle. His first puzzle was initially called word-cross and was diamond-shaped. The name later switched to cross-word, and then as a result of an accidental typo the hyphen was dropped and the name became crossword. He wrote the first crossword puzzle for the New York World, published on Sunday, December 21, 1913. The editor had asked Wynne to invent a new game for the paper's Sunday entertainment section.
