HOWARD HUGHES MEDICAL INSTITUTE 
MEDICAL ADVISORY BOARD MEMBERS 
J. Michael Bishop, M.D. 
Professor, Department of Microbiology and 
Immunology 
Director, George W Hooper Research Foundation 
University of California, San Francisco 
DcDnald D. Brown, M.D. 
Director, Department of Embryology 
The Carnegie Institution of Washington 
James E. Darnell, Jr., M.D. 
Vincent Astor Professor and Head 
Laboratory of Molecular Cell Biology 
The Rockefeller University 
John E. DowUng, Ph.D. {effective January 1, 1989) 
Maria Moors Cabot Professor of Natural Science 
Department of Cellular and Developmental Biology 
Harvard University 
Isidore S. Edelman, M.D. 
{through December 31, 1988) 
Roben Wood Johnson, Jr., Professor 
Department of Biochemistry and Molecular 
Biophysics 
Columbia University College of Physicians and 
Surgeons 
Herman N. Eisen, M.D. {through December 31, 1988) 
Whitehead Institute Professor of Immunology 
Department of Biology and Center for Cancer 
Research 
Massachusetts Institute of Technology 
Gerald D. Fischbach, M.D. 
Edison Professor of Neurobiology and Chairman 
Department of Anatomy and Neurobiology 
Washington University School of Medicine 
Joseph L. Goldstein, M.D. 
Paul J. Thomas Professor of Medicine and Genetics 
Chairman, Department of Molecular Genetics 
University of Texas Southwestern Medical Center at 
Dallas 
Hugh O. McDevitt, M.D. 
Joseph D. Grant Professor and Chairman 
Department of Microbiology and Immunology and 
Professor of Medicine 
Stanford University School of Medicine 
Frederic M. Richards, Ph.D. 
{effective January 1, 1989) 
Professor of Molecular Biophysics and Biochemistry 
Yale University 
Charles R. Scriver, M.D.C.M. 
{through December 31, 1988) 
Professor of Pediatrics, Genetics, and Biology 
McGUl University 
William S. Sly M.D. {effective January 1, 1989) 
Alice A. Doisy Professor and Chairman 
Edward A. Doisy Department of Biochemistry and 
Molecular Biology 
St. Louis University School of Medicine 
Lloyd H. Smith, Jr., M.D., Chairman 
Professor of Medicine and Associate Dean 
University of California, San Francisco, School of 
Medicine 
Thomas A. Waldmann, M.D. 
Chief, Metabolism Branch 
National Cancer Institute 
National Institutes of Health 
xvi 
