  | 1931-1933 delegate of the Central Party in the Prussian House of Delegates
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  | 1940-1944 Deputy director of a construction group to build “revenge weapons” in Peenemünde
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  | enters the CDU in 1945
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  | 1947-1952 Land Minister of Economics in North Rhine-Westphalia
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  | 1949/50 and 1953-1959 Delegate of the CDU in the German Bundestag
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  | 1953 Federal Minister for Food, Agriculture, and Forestry
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  | 1959 elected Federal President, reelected 1964 |