Secretaries
1799 Samuel Glasse
1801 James Peter Auriol
1811 John Lewis Guillemard
1813 Thomas Harrison
1824 John Lewis Guillemard
1826 Edmund Robert Daniell
1843 John Barlow
1860 Henry Bence Jones
1873 William Spottiswoode
1879 Warren De La Rue
1882 William Bowman
1885 Frederick Joseph Bramwell
1900 William Crookes
1913 Alexander Siemens
1915 Edmond Herbert Grove-Hills
1922 Arthur Keith
1926 Robert Robertson
1929 Charles Edmund Stanley Phillips
1945 Alexander Oliver Rankine
1953 Stanley Robson
1958 Harold Spencer Jones
1960 Harry Edward Hopthrow
1968 Maurice Arthur Thorold Rogers
1973 James Stuart Porterfield
1978 Henry John Valentine Tyrrell
1984 Eric Albert Ash
1988 Donald Charlton Bradley
1993 Kenneth John Packer
1998 Robin Jon Hawes Clark
2004 Alan Maries