EditorialMaki Kaji stands for a portrait at Nakayama Nakayama Racecourse in Funabashi, Japan on March 3, 2007. Kaji, a university dropout who turned a numbers game into one of the world’s most popular logic puzzles and became known as the “Godfather of Sudoku,” died on Aug. 10, 2021, at his home in Tokyo. He was 69. His death was announced on Tuesday, Aug. 17, 2021, by the puzzle company he co-founded, Nikoli. The cause was bile duct cancer, the company said in a statement. (Ko Sasaki/The New York Times)
EditorialMaki Kaji stands for a portrait at Nakayama Nakayama Racecourse in Funabashi, Japan on March 3, 2007. Kaji, a university dropout who turned a numbers game into one of the world’s most popular logic puzzles and became known as the “Godfather of Sudoku,” died on Aug. 10, 2021, at his home in Tokyo. He was 69. His death was announced on Tuesday, Aug. 17, 2021, by the puzzle company he co-founded, Nikoli. The cause was bile duct cancer, the company said in a statement. (Ko Sasaki/The New York Times)