http://dbpedia.org/resource/Leon_Keyserling__Tenure__1 <http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#TimeInterval>
xsd:date
1949-11-02
xsd:date
1953-01-20
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2nd Chair of theCouncil of Economic Advisers
xsd:date
1950-05-10