1901–1950 1901 Charles Barrois 1902 Friedrich Schmidt 1903 Heinrich Rosenbusch 1904 Albert Heim 1905 Jethro Justinian Harris Teall 1906 Henry Woodward 1907 William Johnson Sollas 1908 Paul Heinrich von Groth 1909 Horace Bolingbroke Woodward 1910 William Berryman Scott 1911 Waldemar Christopher Brøgger 1912 Lazarus Fletcher 1913 Osmond Fisher 1914 John Edward Marr 1915 Edgeworth David 1916 Alexander Petrovich Karpinsky 1917 (Francois Antoine) Alfred Lacroix 1918 Charles Doolittle Walcott 1919 Aubrey Strahan 1920 Gerard Jacob De Geer 1921 Benjamin Neeve Peach 1921 John Horne 1922 Alfred Harker 1923 William Whitaker 1924 Arthur Smith Woodward 1925 George William Lamplugh 1926 Henry Fairfield Osborn 1927 William Whitehead Watts 1928 Dukinfield Henry Scott 1929 Friedrich Johann Karl Becke 1930 Albert Charles Seward 1931 Arthur William Rogers 1932 Johan Herman Lie Vogt 1933 Marcellin Boule 1934 Henry Alexander Miers 1935 John Smith Flett 1936 Gustaaf Adolf Frederik Molengraaff 1937 Waldemar Lindgren 1938 Maurice Lugeon 1939 Frank Dawson Adams 1940 Henry Woods 1941 Arthur Louis Day 1942 Reginald Aldworth Daly 1943 Aleksandr Fersman 1944 Victor Moritz Goldschmidt 1945 Owen Thomas Jones 1946 Emanuel de Margerie 1947 Joseph Burr Tyrrell 1948 Edward Battersby Bailey 1949 Robert Broom