English summary: This is the first comprehensive study on the life and works of Erich Maschke, an NS historian who had a second career following World War II. This life and works of the historian Erich Maschke (1900-1982) were marked by many of the wars, crises, changes and schisms that Germany itself experienced in the 20th century. Maschke was a researcher of Eastern Europe and a historian for the Nazi regime in Konigsberg (Kaliningrad),...