Karl Zerbe (September 16, 1903 – November 24, 1972) was a German-born American painter and educator.

Hermann Bek-Gran (né Bek; September 20, 1869 – July 9, 1909) was a German-Jewish painter, graphic artist, typographer, and university profes

Thorolf Holmboe (10 May 1866 – 8 March 1935) was a Norwegian painter, illustrator and designer.