This beautiful stained glass window is in the Niethart chapel in the Ulm Munster Lutheran cathedral, by hans Acker in 1440 and J. Kolher. Hans was a German stained glass artist. He is best known for a series of six stained glass windows dating to 1430’s. The Ulm Munster was originally a Catholic church, but while taking over 200 years to build, and changing times it became a Lutheran church.