 Opfermann explained that the "roots" of the CDU lay "in the anti-democratic and anti-Semitic DNVP" referring to the Siegen CDU politicians and contemporary of Krämer - Ernst Bach, who had a street named after him by the Council in spite of his extreme right-wing past and corruption.On the 70th anniversary the society for Christian-Jewish cooperation and Siegen Nazi memorial "Active Museum Südwestfalen " organised a Walter Kraemer Memorial week.The regional VVN BdA together with the camp community Buchenwald-Dora organised a symposium on Kraemer.