Frank W. Dyson International Member (elected 1926)
January 4, 1868 - May 25, 1939

Jacques Hadamard International Member (elected 1926)
December 8, 1865 - October 17, 1963

Max Planck International Member (elected 1926)
April 23, 1858 - October 4, 1947

Richard Willstaetter International Member (elected 1926)
August 13, 1872 - August 2, 1942