Patrick Merrell is a professional puzzlemaker, cartoonist, writer, illustrator, and graphic designer. He's one of MAD magazine's "Usual Gang of Idiots." He's created over 250 books, including 75 puzzle books, and written 81 crosswords for The New York Times (including 19 Sundays). Six of his Times crosswords appear in Will Shortz Picks His Favorite Puzzles, the most of any constructor. From 2009 to 2011, he wrote for Wordplay, the daily online crossword column for The New York Times. He's also created puzzles for the Los Angeles Times, Wall Street Journal, Scientific American, People, Sports Illustrated, MAD, National Wildlife Foundation, Crayola, Scholastic, the American Crossword Puzzle Tournament, the World Puzzle Championship, and many, many others.