| Title | Ruler of a small principality |
| Famous for | Supporting scientific advancements • Promoting cultural and political progress |
| Guarantees | Personal freedoms • Scientific inquiry |
| Occupation | |
| Years active | Late 18th century |
| Place of origin | |
| Political change | Overthrown by enlightenment statesman Johan von Schiller |
| Field of Scientist | Physics • Chemistry • Engineering |
| Supported scientist | Leonardo Schröder |
| New political system | Constitutional monarchy |