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Kaspar Heinrich Merz was a Swiss draftsman and copper and steel engraver. From 1821, with the help of "a few patrons", he was "apprenticed" to the copper engraver Johann Jakob Lips in Zurich for four years. He also worked as an engraver for the magazine Historical Entertainment. Merz had also acquired a reputation for his color engravings, some of which he created over years of individual work.
Josse Goossens was a German modernist painter. He worked in various genres, painting landscapes, still lifes, genre scenes.
 Серж Поляков. Фотопортрет художника.jpg)
Serge Poliakoff was a Russian-born French modernist painter belonging to the 'New' Ecole de Paris (Tachisme).
Emil Schumacher was a German painter. He was an important representative of abstract expressionism in post-war Germany.
In 2009 the Kunstquartier Hagen was inaugurated combining the Karl Ernst Osthaus-Museum Hagen as well as the newly built Emil Schumacher Museum in one Museum complex.