William Hobson Mills (1873-1959)
President of the CS 1941 to 1944

James Charles Philip (1873-1941)
President of the CS 1941 to August 1941

Sir Robert Robinson (1886-1975)
President of the CS 1939 to 1941

Sir Frederick George Donnan (1870-1956)
President of the CS 1937 to 1939
President of the Faraday Society 1924 to 1926

Professor Nevil Vincent Sidgwick (1873-1952)
President of the CS 1935 to 1937
President of the Faraday Society 1932 to 1934

Sir Gilbert Thomas Morgan (1870-1940)
President of the CS 1933 to 1935

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

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

Herbert Brereton Baker (1862-1935)
President of the CS 1926 to 1928

Arthur William Crossley (1869-1927)
President of the CS 1925 to 1926

William Palmer Wynne (1861-1950)
President of the CS 1923 to 1925

Sir James Walker (1863-1935)
President of the CS 1921 to 1923

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

Sir William Jackson Pope (1870-1939)
President of the CS 1917 to 1919

Alexander Scott (1853-1947)
President of the CS 1915 to 1917

Sir William Henry Perkin Jnr (1860-1929)
President of the CS 1913 to 1915

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

Harold Baily Dixon (1852-1930)
President of the CS 1909 to 1911

Sir William Ramsay (1852-1916)
President of the CS 1907 to 1909

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

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

James Emerson Reynolds (1844-1920)
President of the CS 1901 to 1903

Sir Thomas Edward Thorpe (1845-1925)
President of the CS 1899 to 1901

Sir James Dewar (1842-1923)
President of the CS 1897 to 1899