Johann Michael Grass
| Geboorte- en sterfjaar | ||
|---|---|---|
| Geboortejaar | 1746 | |
| Sterfjaar | 1809 | |
Organ builder from Lommis, Thurgau. He worked mainly in St. Gallen and later in Vorarlberg. He was the son-in-law of the organ builder Johann Jakob Bommer.
| Références |
Der Orgelbauer Johann Michael Grass und sein Neu St. Johanner "Opus Maximum" / Markus Meier. - In: Toggenburger Jahrbuch, 2020. |