Karl Schmidt-Rottluff was the fourth founder of Die Brucke, the German expressionist painting group of renegade young architects who were not interested in figuring out the load of a building.
Instead, if you look at the images I've posted this week, the thing that comes to mind is Impressionism. No, it's not because they look impressionistic. But the dancer, the model at her curtain, these remind of Degas, especially here, In Girl at Her Toilette from 1912. The palette of bright yellow-orange, the angular black lines, the flatness, these are pure expressionist. But the intimacy and the subject matter is pure Degas.