Peter HigginsPeter M. Higgins is a professor in pure mathematics at the University of Essex. He is the inventor of the Circular Sudoku puzzle type that now features in numerous newspapers, magazines, and computer games. He has written extensively on the subject o mathematics, including Numbers: A Very Short Introduction and Nets, Puzzles, and Postmen, which won the 2012 Premio Peano prize for the best book on mathematics, published in Italian. Read More Read Less