| Authorised form of name | Penn; John (1805 - 1878) |
| Dates | 1805 - 1878 |
| Nationality | British |
| Place of birth | Greenwich, London, England |
| Date of birth | 1805 |
| Place of death | The Cedars, Lee, Kent |
| Date of death | 23 September 1878 |
| Occupation | Civil engineer |
| Membership category | Fellow |
| Date of election | 09/06/1859 |
| Source | Sources:
Bulloch's Roll; DNB |
| Code | NA3645 |
Archives associated with this Fellow
| RefNo | Title | Date |
| EC/1859/11 | Penn, John: certificate of election to the Royal Society | |
| IM/Maull/003493 | Penn, John | nd |
| HS/14/152 | Letter, from John Penn to Sir John Herschel, dated at Spring Gardens | 11 March 1829 |