Aad van de Wetering

Aad van de Wetering is a puzzle constructor that has been featured on Cracking The Cryptic many times. His puzzle Magic Square Sudoku is probably the most popular sudoku in the world because it is featured in the most viewed sudoku video on YouTube. One of Aad's great contributions to sudoku is the popularization of his Tetro Trick. He also has his own website where he describes who he is and publishes his puzzles.