The “Godfather of Sudoku” Maki Kaji died at the age of 69, reported on Tuesday (today).
Maki Kaji death was announced by Nikoli, the puzzles company which was co-founded by him.
The company revealed that he died on August 10 due to bile duct cancer.
Moreover, Kaji was a university dropout who worked in a printing company before founding Japan’s first puzzle magazine, he took hints from an existing number puzzle to create what he later named “sudoku”.
The logic puzzle challenges people to fill a grid of 9X9 blocks, with nine boxes in each block so that all columns, both vertical and horizontal, contain the numbers 1 to 9 without repetition. The number of filled-in figures for a grid at the start of the puzzle determines how difficult it is.
Maki Kaji was Born in the main northern island of Hokkaido, He founded Nikoli in 1983, and came up with Sudoku about the same time.