Franz Kessler (c. 1580–1650) was a portrait painter,[1] scholar, inventor and alchemist living in the Holy Roman Empire during the 16th and 17th centuries.
- ^ Allgemeine Deutsche Biographie (General German Biography): Kessler, Franz.
Franz Kessler (c. 1580–1650) was a portrait painter,[1] scholar, inventor and alchemist living in the Holy Roman Empire during the 16th and 17th centuries.