About the Author
Wei-Hwa Huang is an award-winning American puzzler and member of the U.S. Team for the World Puzzle Federation. Huang was a member of the United States International Math Olympiad team in 1992 and 1993, where he was awarded a Silver Medal both years. Huang was a Putnam Fellow in 1993 and has won the annual World Puzzle Championship on four occasions: 1995 and 19971999. He also won the 2008 Sudoku National Championship.