Visit to Leipzig, in particular the Grassi Museum

A few weeks a go, I visited a friend in Leipzig for a day. She is doing a residency at the Spinnerei.
The next day we went to the Grassi Museum which is actually 3 Museum in 1.
We had to go back twice to change our ticket since we were going to see exhibitions in different museums.
What stood out for me were the Josef-Albers-Fenster:

and then there was the show : Expressive Bildteppiche by Johanna Schütz-Wolff: