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)
- One of the great mistakes we make with children who are challenged is to start at too high a level and not to work back and forth between different levels of abstraction.
- ... the brain can acquire new abilities that emerge suddenly and dramatically from a series of small conceptual advances.