Medical Advisory Board 
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 
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. 
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 
Frederic M. Richards, Ph.D. 
Sterling Professor 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. 
John D. MacArthur Professor of Biology 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. 
Chief, Metabolism Branch 
National Cancer Institute 
National Institutes of Health 
