Friedrich Heinrich Alexander von Humboldt. Lithograph by Ducarme after Baron C. von Steuben, 1815.
- Steuben, Charles Auguste Guillaume Henri François Louis, Baron von Steuben, 1788-1858.
- Reference:
- 4386i
Licence: Public Domain Mark
Credit: Friedrich Heinrich Alexander von Humboldt. Lithograph by Ducarme after Baron C. von Steuben, 1815. Wellcome Collection. Source: Wellcome Collection.