ulrich.kraehmer@tu-dresden.de
https://bbb.tu-dresden.de/b/ulr-rk1-dgq-vel (virtual office)
WIL/B218, Willersbau, Zellescher Weg 12-14, 01069 Dresden (office)
The paintings in the above photo are two of the larger ones from Josef Alber's Homage to the Square series and belong to the Neue Nationalgalerie, Berlin.