Deceased
Q103677
Johann Mannhardt
German clockmaker (1798–1878)
Born: August 31, 1798
(1798)
· Gmund am Tegernsee
Died: August 25, 1878
(1878)
· Munich
Age at death: 79 years
| Nationality | German Empire |
|---|---|
| Occupation | inventor |
| Gender | male |
Network
Source: Wikidata Q103677