Trustees, Officers, and Principal Staff Members 
Trustees 
Alexander G. Beam, M.D. 
Adjunct Professor 
The Rockefeller University 
Former Senior Vice President 
Merck Sharp & Dohme, International 
Helen K. Copley 
Chairman of the Corporation 
and Chief Executive Officer 
The Copley Press, Inc. 
Frank William Gay 
Former President 
and Chief Executive Officer 
SUMMA Corporation 
James H. Gilliam, Jr., Esq. 
Executive Vice President 
Beneficial Corporation 
Hanna H. Gray, Ph.D. 
President 
The University of Chicago 
William R. Lummis, Esq. 
Chairman of the Board of Directors 
SUMMA Corporation 
Irving S. Shapiro, Esq., Chairman 
Of Counsel 
Skadden, Arps, Slate, Meagher & Flom 
and Former Chairman and Chief 
Executive Officer 
E.I. du Pont de Nemours and Company 
George W. Thorn, M.D., Chairman 
Emeritus 
Professor Emeritus 
Harvard Medical School 
James D. Wolfensohn 
President 
James D. Wolfensohn Incorporated 
Ofificers 
Purnell W. Choppin, M.D. 
President 
W. Maxwell Cowan, M.D., Ph.D. 
Vice President and Chief Scientific Officer 
Graham O. Harrison 
Vice President and Chief Investment Officer 
Joseph G. Perpich, M.D., J.D. 
Vice President for Grants and 
Special Programs 
William T. Quillen, Esq. 
Vice President and General Counsel 
Robert C. White 
Vice President and Chief Financial Officer 
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