Oskar Backlund International Member (elected 1903)
April 28, 1846 - August 29, 1916

Waldemar Brogger International Member (elected 1903)
November 10, 1851 - February 17, 1940

Thomas C. Chamberlin Member (elected 1903)
September 25, 1843 - November 15, 1928

William James Resigned 1909 (elected Member 1903)
January 11, 1842 - August 26, 1910

Robert Koch International Member (elected 1903)
December 11, 1843 - May 28, 1910

E. Ray Lankester International Member (elected 1903)
May 15, 1847 - August 15, 1929

Etienne J. Marey International Member (elected 1903)
March 5, 1830 - May 15, 1904

Edward L. Mark Member (elected 1903)
May 30, 1847 - December 16, 1946

Dimitri I. Mendeleeff International Member (elected 1903)
February 8, 1834 - February 2, 1907

Wilhelm Pfeffer International Member (elected 1903)
March 9, 1845 - January 31, 1920

Emile Picard International Member (elected 1903)
July 24, 1856 - December 12, 1942

Joseph J. Thomson International Member (elected 1903)
December 18, 1856 - August 30, 1940

Hermann Vogel International Member (elected 1903)
August 3, 1841 - August 13, 1907

A. G. Webster Member (elected 1903)
November 28, 1863 - May 15, 1923

Horace Wells Member (elected 1903)
October 5, 1855 - December 19, 1924

Ferdinand Zirkel International Member (elected 1903)
May 20, 1838 - June 11, 1912