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Maki Kaji: ‘Godfather of Sudoku’ has died aged 69

Maki Kaji, the Japanese man known as the “Godfather of Sudoku”, has died at the age of 69. Kaji gave the number puzzle its name after publishing it in his magazine Nikoli in the 1980s. Since then the popular game has spread around the world. Tournaments take place across the world and it is estimated […]