John Mighton is a Canadian playwright and mathematician. He had a small part in "Good Will Hunting".  He volunteers 40 to 50 a week for Junior Undiscovered Math Prodigies (JUMP), a math-tutoring group he founded in Toronto. He wrote two books about how to teach math.
- The Myth of Ability: Nurturing Mathematical Talent in Every Child (Sep 1, 2004)
- The End of Ignorance: Multiplying Our Human Potential (Aug 12, 2008)