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DELEGATES OF THE UNITED STATES TO THE PAN-AMERICAN 
SCIENTIFIC CONGRESS TO BE HELD IN WASHINGTON 
DECEMBER 27, 1915, TO JANUARY 7, 1916. 
Hon. Judge GEORGE GRAY, Member of the International Permanent 
Court of Arbitration, Chairman of the Delegation. 
Dr. FRANZ BOAS, Professor of Anthropology, Columbia University. 
Brigadier General WILLIAM H. BIXBY, U. S. A., Retired; Chairman, 
Section on Engineering, Second Pan American Scientific 
Congress. 
Dr. JOHN A. BRASHEAR, President of the American Society of Me- 
chanical Engineers; Director of the Alleghany Observatory, 
and Chancellor of the University of Pittsburgh. 
Hon. JOHN BARRETT, Director General Pan American Union; Secre- 
tary General, Second Pan American Scientific Congress. 
Dr. PHILANDER. P. CLAXTON, Commissioner of Education; Chairman, 
Section on Education, Second Pan American Scientific 
Congress. 
Mr. WILLIAM WALLACE CAMPBELL, Director of the Lick Observatory. 
President of the American Association for the Advance of 
Science . 
Dr. RICHARD C. CABOT, of the General Hospital of Boston, and 
Professor in the Harvard Medical School. 
Dr. HENRY B, FINE, Dean of the Department of Science, Prince- 
ton University. 
Mr. HENRY S. GRAVES, Chief of the Forest Service of the United 
States. 
Gen. WILLIAM C. GORGAS, Surgeon General, U, S. A.; Chairman, 
- Section on Public Health and Medical Science, Second Pan 
American Scientific Congress. 
Dr. WILLIAM H. HOLMES, Head Curator, Smithsonian Ins titution ; 
Chairman, Section on Anthropology, Second Pan American 
Scientific Congress. 
Mr. HENNEN JENNINGS, former President, London Institution of 
Mining and Metallurgy; Chairman, Section on Mining, 
Metallurgy, Economic Geology, ana Applied Chemistry, 
Second Pan American Scientific Congress. 
