| RefNo | MS/242/39 |
| Level | Item |
| Title | Letter from Friedrich Heinrich Alexander von Humboldt to Thomas Young, dated at Paris |
| Date | 27 July 1823 |
| Description | Letter of introduction on behalf of Claude Pouillet, recommended highly as a physicist by von Humboldt and [Jean Francois Dominique] Arago for his experiments on water vapour [which led Pouillet to be the first to propose the mathematical formulation of the greenhouse effect].
Some draft notes in Young's hand at the back. |
| Language | French |
| Extent | 1p |
| Format | Manuscript |
| PhysicalDescription | Paper |
| AccessStatus | Open |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA7947 | Young; Thomas (1773 - 1829); physician, physicist and Egyptologist | 1773 - 1829 |
| NA7984 | Humboldt; Friedrich Wilhelm Heinrich Alexander von (1769 - 1859); naturalist and traveller | 1769 - 1859 |