Julius Hermann Kroehl | |
|---|---|
| Born | 1820 |
| Died | September 9, 1867 (aged 46–47) Panama City, Panama |
| Nationality | German American |
| Occupation | Engineer |
| Engineering career | |
| Significant design |
|
Julius Hermann Kroehl (in German, Kröhl) (1820 – September 9, 1867) was a German American inventor and engineer. He invented and built the first submarine able to dive and resurface on its own, the Sub Marine Explorer, technically advanced for its era. His achievements in architecture, civil and mechanical engineering were also significant.