| Born | unknown; likely mid-18th century, Netherlands |
| Legacy | Influential on music • entertainment technology • commerce |
| Full name | Jan 'Schimmelige' Janssen |
| Nationality | Dutch |
| Occupations | Musician • inventor • engineer |
| Collaborators | |
| Notable contributions | Mechanical clockwork • musical automata |
| Notable collaborations | Steamboat development |
| Significant inventions | Music boxes • musical automata designs |
