Bob Klahn

Bob Klahn is known in the crossword world as a master puzzle maker whose clues are especially vibrant and tricky. Klahn attended Phillips Academy in Andover, and majored in mathematics at Princeton. That's when his 41-year career in IT began, and along the way he cofounded CrosSynergy, a syndicated peer-reviewed crossword company.

Bob Klahn is known in the crossword world as a master puzzle maker whose clues are especially vibrant and tricky. Klahn attended Phillips Academy in Andover, and majored in mathematics at Princeton. That's when his 41-year career in IT began, and along the way he cofounded CrosSynergy, a syndicated peer-reviewed crossword company. See less