Henri Picciotto Author

Henri Picciotto is a retired teacher, having spent 42 years as a K-12 math teacher, mostly in grades 9-12. As a consultant, he has worked with more than 50 schools, and offered hundreds of workshops.

Robin Pemantle is a professor of mathematics at the University of Pennsylvania. Previously, he has taught math enrichment to grades 5-8 and was a Lilly Teaching Fellow.