The Ulm Legacy and the Acker Dynasty To understand Jacob Acker, one must look at the lineage of the Ulm school, a family of painters that dominated the artistic landscape of southern Germany. He is often identified as Jacob Acker "the Younger," a distinction that places him within a multi-generational dynasty of craftsmen. This family tradition began with Jakob Acker "the Elder," who worked around 1400 and contributed stained glass to…