Honorary Membership was limited to 10 from 1890-1900, and to 15 from 1901 onwards. Corresponding Membership was a lesser class of Honoris causa membership in the early years. A few honorary members, such as Barnard, were first made corresponding members for a short time before being recommissioned as honorary members.
Nation(s) |
Start | End | |
|---|---|---|---|
| Wolfer, Prof. Alfred | Switzerland | 1904 | 1931 |
| Spencer Jones, Sir Harold | United Kingdom | 1947 | 1960 |
| Downing, Dr. Arthur Matthew Weld | United Kingdom | 1896 | 1917 |
| Clerke, Miss Agnes M. | United Kingdom | 1891 | 1907 |
| Elger, Mr. Thomas Gwyn Empy | United Kingdom | 1896 | 1897 |
| Greenwood, Cpt. W. Nelson | United Kingdom | 1898 | 1906 |
| Williams, Mr. Arthur Stanley | United Kingdom | 1909 | 1938 |
| Huggins, Dr. Sir William | United Kingdom | 1891 | 1910 |
| Ryle, Sir Martin | United Kingdom | 1973 | 1983 |
| Espin, Rev. Thomas Espinell | United Kingdom | 1894 | 1934 |