Karl Marx | Karl Pilkington | Karl Lagerfeld | Karl G. Heider | Karl Rove | Karl Pearson | Karl May | Karl Liebknecht | Karl Friedrich Schinkel | Karl Dönitz | Karl Jenkins | Karl Stefanovic | Karl Bodmer | Karl Wilhelm Friedrich Schlegel | Karl Malone | Karl Wolf | Karl Valentin | Karl Popper | Karl Malden | Karl Kesel | Karl Barth | Karl Richard Lepsius | Karl Philipp von Wrede | Karl Kautsky | Karl Johans gate | Karl-Heinz Kämmerling | Karl | Karl Weierstrass | Karl Story | Karl Scheel |
In 1950 some former members of the Deutscher Künstlerbund – Karl Hofer, Willi Baumeister, Karl Hartung and Karl Schmidt-Rottluff – re-established it.
A collection of his letters shows that he was personally well acquainted with modern artists at the time, and he acquired and exhibited works by many of them, including Barlach, Feininger, Hofer, Kandinsky, Kirchner, Klee, Kokoschka, Lissitzky, Marc, and Munch.
The catalogue of the first NKVM exhibition lists 128 items by 16 artists: Paul Baum, Wladimir von Bechtejeff, Erma Bossi, Dresler, Eckert, Erbslöh, Pierre Girieud, Karl Hofer, Jawlensky, Kandinsky, Kanoldt, Kogan, Alfreds Kubin, Münter, Pohle, Werefkin, and is accompanied by 14 reproductions and a list of prices.