| Authorised form of name | Cowper; George Nassau Clavering (1738 - 1789); 3rd Earl Cowper |
| Dates | 1738 - 1789 |
| Date of birth | 26 August 1738 |
| Date of death | 22 December 1789 |
| Membership category | Fellow |
| Date of election | 13/02/1777 |
| Source | Sources:
Bulloch's Roll |
| Code | NA229 |
Archives associated with this Fellow
| RefNo | Title | Date |
| L&P/7/36 | Letter, 'Of a pistol fired by electricity' from George Nassau Clavering Cowper to John Pringle | 30 April 1778 |