  | 1915-1918 war volunteer
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  | member of the SPD since 1919
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  | 1922-1926 staff analyst at the National Statistical Bureau in Berlin
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  | 1929 Professor at the University of Kiel
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  | 1933 emigration to the US, fiscal analyst in the Budget Bureau of the White House 1940-1946
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  | 1946 develops the plan for German currency reform
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  | 1946-1952 economic advisor of President Truman
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  | 1952-1968 chief economist of the “National Planning Association” |