Robert Kaplan

Robert Kaplan has taught philosophy, Greek, German, Sanskrit and, most famously, mathematics. Recently based at Harvard University, he has founded and directed mathematics programs at various secondary and primary schools, including the Sage School for gifted children. In 1994, with his wife Ellen, he founded The Math Circle, a program open to the public for the enjoyment of pure mathematics.

He is author of 'The Nothing That Is: A Natural History of Zero' (1999), and with his wife, 'The Art of the Infinite: The Pleasures of Mathematics' (2003), They are both now writing 'Out of the Labyrinth: Mathematics Set Free' (to appear). Visit The Math Circle at: www.themathcircle.org

Puzzles

Nr. 38 February 2007
Nr. 21 September 2005
Nr. 19 June 2011
Nr. 13 September 2008
Nr. 11 November 2004