# Gordon Royle

**Gordon F. Royle** is a Professor at the School of Mathematics and Statistics at The University of Western Australia.[1]

Royle is the co-author (with Chris Godsil) of the book *Algebraic Graph Theory* (Springer Verlag, 2001, ISBN 0-387-95220-9).
Royle is also known for his research into the mathematics of Sudoku and his search for the Sudoku puzzle with the smallest number of entries that has a unique solution.[2]

Royle earned his Ph.D. in 1987 from the University of Western Australia under the supervision of Cheryl Praeger and Brendan McKay.[3]

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