Sir Robert Howson Pickard (1874-1949)
President of the RIC 1936 to 1939

Sir Jocelyn Field Thorpe (1872-1940)
President of the RIC 1933 to 1936
President of the CS 1928 to 1931

Sir George Christopher Clayton (1869-1945)
President of the RIC 1930 to 1933

Arthur Smithells (1860-1939)
President of the RIC 1927 to 1930

Professor George Gerald Henderson (1862-1942)
President of the CS 1931 to 1933
President of the RIC 1924 to 1927

Alfred Chapman (1869-1932)
President of the RIC 1921 to 1924
President of the SAC 1914 to 1915

Sir Herbert Jackson (1863-1936)
President of the RIC 1918 to 1921

James Johnston Dobbie (1852-1924)
President of the CS 1919 to 1921
President of the RIC 1915 to 1918

Raphael Meldola (1849-1915)
President of the RIC 1912 to 1915
President of the CS 1905 to 1907

Sir George Thomas Beilby (1850-1924)
President of the RIC 1909 to 1912

Percy Faraday Frankland (1858-1946)
President of the CS 1911 to 1913

David Howard (1839-1917)
President of the RIC 1903 to 1906

John Millar Thompson (1849-1933)

Sir Thomas Stevenson (1838-1908)
President of the RIC 1897 to 1900
President of the SAC 1895 to 1896

William James Russell (1830-1909)
President of the RIC 1894 to 1897
President of the CS 1889 to 1891

William Augustus Tilden (1842-1926)
President of the CS 1903 to 1905
President of the RIC 1891 to 1894

James Bell (1824-1908)
President of the RIC 1888 to 1891

William Odling (1829-1921)
President of the RIC 1883 to 1888
President of the CS 1873 to 1875

Sir Frederick Augustus Abel (1827-1902)
President of the RIC 1880 to 1883
President of the CS 1875 to 1877

Sir William Frankland (1825-1899)
President of the RIC 1877 to 1880
President of the CS 1871 to 1873