Arthur Benjamin uses daring displays of algorithmic trickery, the lightning calculator and number wizard mesmerizes audiences with mathematical mystery and beauty.

Arthur Benjamin makes numbers dance. In his day job, he's a professor of math at Harvey Mudd College; in his other day job, he's a "Mathemagician," taking the stage in his tuxedo to perform high-speed mental calculations, memorizations and other astounding math stunts. Benjamin is the co-author of Secrets of Mental Math and Proofs That Really Count: The Art of Combinatorial Proof.