After receiving his medical degree and his doctorate in Physiology from Baylor College of Medicine, and completing his internship in internal medicine at The Methodist Hospital in Houston, Texas, Dr. Holmquest was selected as a scientist-astronaut by NASA in August 1967. After completing initial academic training and a 53-week course in flight training at Williams Air Force Base, Arizona, he worked on Skylab habitability systems and medical experiments for a period of 1 1/2 years.
Dr. Holmquest served as a scientist/astronaut with NASA. There, he earned Air Force Wings and worked in the Apollo and Skylab programs. He logged 750 hours flying time in jet aircraft prior to resigning from NASA in September 1973.
Dr. Holmquest then returned to Baylor to train in nuclear medicine, and then assumed the role of Chief of Nuclear Medicine at Ben Taub General Hospital in Houston. He established the Department of Nuclear Medicine at Eisenhower Medical Center in Palm Desert, California, and then took the post of Associate Dean of Medicine at Texas A&M University, where he was instrumental in developing A&M's new College of Medicine.
While pursuing his legal education, Dr. Holmquest also maintained a successful private practive in medicine. He received his juris doctorate cum laude from the University of Houston, and after serving as a senior partner at Wood, Lucksinger & Epstein until its dissolution, he established the firm of Holmquest & Associates, dedicated to the health care industry. He now practices medicine and law on a full-time basis.