Oskar Reinhart Collection. The Reinhart Collection formed by Oskar Reinhart is now held in a museum in his old house, Am Römerholz in Winterthur, Zurich Canton, Switzerland, as well as the Museum Oskar Reinhart in the centre of Winterthur. It belongs to the Swiss Confederation, Federal Office of Culture. The collection owns paintings by artists including Pierre-Auguste Renoir, Eduard Manet, Paul Cézanne, Eugène Delacroix, Théodore Géricault, Camille Corot, Honoré Daumier, Jean-François Millet, Gustave Courbet, Edgar Degas, Camille Pissarro, Alfred Sisley, Matthias Grünewald, Lukas Cranach, Vincent Van Gogh and Pieter Breughel the Elder. The villa is building of 1915, designed by Maurice Turrettini.