Alexander Crum Brown: 1891–1893 Henry Edward Armstrong: 1893–1895 Augustus George Vernon Harcourt: 1895–1897 Sir James Dewar: 1897–1899 Sir Thomas Edward Thorpe: 1899–1901 James Emerson Reynolds: 1901–1903 William Augustus Tilden: 1903–1905 Raphael Meldola: 1905–1907 Sir William Ramsay: 1907–1909 Harold Baily Dixon: 1909–1911 Percy Faraday Frankland: 1911–1913 Sir William Henry Perkin Jnr: 1913–1915 Alexander Scott: 1915–1917 Sir William Jackson Pope: 1917–1919 James Johnston Dobbie: 1919–1921 Sir James Walker: 1921–1923 : 1923–1925 : 1925–1926 Herbert Brereton Baker: 1926–1928 Sir Jocelyn Field Thorpe: 1928–1931 George Gerald Henderson: 1931–1933 Sir : 1933–1935 Nevil Vincent Sidgwick: 1935–1937 Sir Frederick George Donnan: 1937–1939 Sir Robert Robinson: 1939–1941 James Charles Philip: 1941 to August 1941 William Hobson Mills: 1941–1944 Walter Norman Haworth: 1944–1946 Sir Cyril Norman Hinshelwood: 1946–1948 Sir Ian Morris Heilbron: 1948–1950 Sir Eric Keightley Rideal: 1950–1952 Sir Christopher Kelk Ingold: 1952–1954 : 1954–1956 Sir Edmund Langley Hirst: 1956–1958 Harry Julius Emeleus: 1958–1960 Lord Alexander Robertus Todd: 1960–1962 John Monteath Robertson: 1962–1964 Sir Ewart Ray Herbert Jones: 1964–1966 Sir Harry Work Melville: 1966–1968 Sir Ronald Sydney Nyholm: 1968–1970 Lord George Porter: 1970–1972 Sir Frederick Sydney Dainton: 1972–1973 Sir Derek Harold Richard Barton: 1973–1974 Jack Wheeler Barrett: 1974–1975 Frank Arnold Robinson: 1975–1976 Cyril Clifford Addison: 1976–1977 : 1977–1978 Theodore Morris Sugden: 1978–1979 Dr Alfred Spinks: 1979–1980 Original members On 23 February 1841, a meeting was convened to take into consideration the formation of a Chemical Society. The Provisional Committee appointed for carrying that object into effect invited a number of gentlemen engaged in the practice and pursuit of chemistry to become original members. The following 77 communicated their written assent: Arthur Aikin Thomas Andrews J A Barron James Blake William Blythe William Thomas Brande E W Brayley Henry James Brooke Charles Button Thomas Clark William John Cock John Thomas Cooper John Thomas Cooper Jnr. Andrew Crosse Walter Crum James Cumming John Frederic Daniell Charles Daubeny Edmund Davy Warren De la Rue Thomas Everitt William Ferguson George Fownes A Frampton J P Gassiot Thomas Gill Thomas Graham John Graham John Joseph Griffin Thomas Griffiths William Robert Grove Charles Heisch Henry Hennell Thomas Hetherington Henry William Herapath Thomas Charles Hope F R Hughes Percival Johnson James Johnston W B Leeson George Dixon Longstaff George Lowe Robert Macgregor Charles Macintosh John Mercer William Hallowes Miller Thomas Moody David Mushet J A Paris H L Pattinson Thomas Pearsall Frederic Penny William Haseldine Pepys Richard Phillips Lyon Playfair Robert Porrett L H Potts