Johann Michael Grass
| Years of birth and death | ||
|---|---|---|
| Year of birth | 1746 | |
| Year of death | 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.
| Literature |
Der Orgelbauer Johann Michael Grass und sein Neu St. Johanner "Opus Maximum" / Markus Meier. - In: Toggenburger Jahrbuch, 2020. |