Born in Hungary, emigrated to US 1961. Became USA Karate Champion and teacher. Joined the Kahane led JDL teaching karate and becoming an activist. Receiving doctorates in physiology and Public Health, was the Director of the Pulmonary Function and Exercise Physiology Lab at Downstate Medical Center for 30 years. A leading figure in US Karate, he was a master instructor for close to 50 years. Presently, an author writing about the Holocaust, and lecturing on Jewish history.