Ernst & Young | Max Ernst | Ernst Haeckel | Ernst Mayr | Ernst Jünger | Ernst Zündel | Ernst Gombrich | Ernst Mach | Ernst Ulrich von Weizsäcker | Ernst Moritz Arndt | Ernst Lubitsch | Ernst Bloch | Karl Ernst von Baer | Heinrich Wilhelm Ernst | Ernst & Young Entrepreneur of the Year Award | Ernst van de Wetering | Ernst Toller | Ernst Thälmann Pioneer Organisation | Ernst Röhm | Ernst of Schaumburg | Ernst Ludwig Kirchner | Ernst Ludwig Gerber | Ernst Heinrich Weber | Ernst Hanfstaengl | Ernst Haefliger | Ernst Detlof von Krassow | Ernst Cassirer | Ernst | Joseph-Ernst Graf Fugger von Glött | Ernst Witebsky |
In the second decade of the 20th Century, first under the influence of his friend Ernst Gosebruch, the director of the Essen Museum of Art, Hagemann turned toward painters of Die Brücke and Emil Nolde.