Leonard J Rosen

Leonard J. Rosen is an award-winning novelist known for his thriller series featuring Henri Poincaré, including 'The Tenth Witness' and 'All Cry Chaos,' which have been translated into over 10 languages. He is a former college math professor based in Massachusetts who has also taught writing at Harvard University and contributed radio commentaries to Boston's NPR station. His third novel, 'The Kortelisy Escape,' explores themes of stage magic and religion.