After his birth in Belfast, Northern Ireland at the end of the war, Dr. Lichtenthal grew uin White Plains, New York. He received his B.A. from the University of Vermont and went to medical school in New York City at New York Medical College. After a rotating internshiat Hartford Hospital in Connecticut, he was a resident in anesthesia at the Peter Bent Brigham Hospital under Dr. Leroy Vandam. Following residency, he spent a year doing a Cardiac Research Fellowshiat Harvard Medical School under the direction of Dr. Michael Lesch. After fellowship, Dr. Lichtenthal served in the United States Navy stationed at Bethesda Naval Hospital and aboard shiwith the 6th Fleet. After service he worked at Northwestern University Hospital in Chicago where he was Chief of Cardiovascular Anesthesia. In 1999, he left Chicago when the opportunity arose to move to Tucson, where he accepted a job on the cardiothoracic anesthesia team. He is now head of the group. Dr. Lichtenthal's research interests are in development of medical devices and new drug studies, particularly in the cardiovascular area.