Bachelor of science in biology from University of Houston, 1978; doctorate in medicine from Texas Tech University School of Medicine, 1982; assistant professor; unsuccessful application for NASA astronaut group 12; hobbies: Flying, sailing, skiing, running, scuba diving, art, music; later Staff Vice President of Operations for SPACEHAB Incorporated of Houston, Texas; in 1996, he received a Master of Medical Science from the University of Texas Medical Branch at Galveston and received an Honorary Doctorate of Science from Morehouse School of Medicine; he earned a Master of Business Administration (M.B.A.) from the University of Houston in 1999.