Orleen A. Hoffman, M.D.  Medical School: University of Minnesota Medical School, Minneapolis, Minn.  Residency: Internal Medicine, Washington University-Barnes Hopsital, St. Louis, Mo.  Fellowship: Thoracic Disease, Mayo Clinic, Rochester, Minn.

Keith J. Leavell, M.D.  Medical School: University of Minnesota Medical School, Minneapolis, Minn.  Residency: Internal Medicine, University of Minnesota, Minneapolis, Minn.  Fellowship: Pulmonary Disease, University of Iowa Hospitals and Clinics, Iowa City, Iowa

John D. Olsen, M.D.  Medical School: University of Minnesota Medical School, Minneapolis, Minn.  Residency: Internal Medicine, Fitzsimons Army Medical Center, Aurora, Colo.  Fellowship: Pulmonary Disease, Fitzsimons Army Medical Center, Aurora, Colo.  Clinical Interests: Respiratory failure and lung cancer

David L. Shuster, M.D.  Medical School: University of Illinois, Chicago, Ill.  Residency: Internal Medicine, Hennepin County Medical Center, Minneapolis, Minn.