First the address is wrong and this is not where it is currently listed on Yelp. I have submitted a…read morecorrection. It is in the city centre of Ulm directly opposite the Rathaus.
It is a family private collection and consists of artists mainly American with a collection of modern art, pop art and appropriated art. They have some nice pieces of work from Andy Warhol and others.
We had a tour guide who was pretty useless and was not able to explain a lot about the art or the artist. Her English was also weak which made the communication harder.
I would visit this gallery if this type of art is your thing. It's one of only four private family collections in Ulm that you can visit without prior appointment and it is attached to the city museum so you can see both on the same day.
