| Authorised form of name | Thornton; Henry Sykes (1800 - 1881) |
| Dates | 1800 - 1881 |
| Date of birth | 28 May 1800 |
| Date of death | 29 November 1881 |
| Membership category | Fellow |
| Date of election | 10/04/1834 |
| Source | Sources:
Bulloch's Roll
Notes:
BR gives year of death as 1879. |
| Code | NA7409 |
Archives associated with this Fellow
| RefNo | Title | Date |
| EC/1834/24 | Thornton, Henry Sykes: certificate of election to the Royal Society | |