HOWARD HUGHES MEDICAL INSTITUTE 
MEDICAL ADVISORY BOARD 
SEPTEMBER 1, 1991 -AUGUST 31, 1992 
Michael S. Brown, M.D. 
Paul J. Thomas Professor of Medicine and Genetics 
Director, Center for Genetic Disease 
"University of Texas Southwestern Medical Center 
at Dallas 
William A. Catterall, Ph.D. 
(effective January 1, 1992) 
Professor and Chair 
Department of Pharmacology 
University of Washington School of Medicine 
John E. Dowling, Ph.D. 
Maria Moors Cabot Professor of Natural Science 
Department of Cellular and Developmental Biology 
Harvard University 
Gerald D. Fischbach, M.D. 
(through December 31, 1991) 
Nathan Marsh Pusey Professor and Chair 
Department of Neurobiology 
Harvard Medical School 
Hugh O. McDevitt, M.D. 
Burt and Marion Avery Professor of Immunology 
Professor of Microbiology, Immunology, and 
Medicine 
Stanford University School of Medicine 
William E. Paul, M.D. 
(effective January 1, 1992) 
Chief, Laboratory of Immunology 
National Institute of Allergy and Infectious Diseases 
National Institutes of Health 
Frederic M. Richards, Ph.D. 
Sterling Professor Emeritus of Molecular Biophysics 
and Biochemistry 
Yale University 
Janet D. Rowley, M.D. 
Blum-Riese Distinguished Service Professor 
Departments of Medicine and Molecular Genetics 
and Cell Biology 
The University of Chicago 
David D. Sabatini, M.D., Ph.D. 
Frederick L. Ehrman Professor and Chairman 
Department of Cell Biology 
New York University School of Medicine 
Phillip A. Sharp, Ph.D. 
Salvador E. Luria Professor and 
Head, Department of Biology 
Massachusetts Institute of Technology 
William S. Sly, M.D. 
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. 
(through December i 1 , 1991) 
Chief, Metabolism Branch 
National Cancer Institute 
National Institutes of Health 
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