a opponent of the New Deal Administration of President Franklin Roosevelt. In the 1930s, he was a proponent of eugenics and racial superiority theories and supported right-wing political groups; du Pont was also a noted supporter of Adolf Hitler and had followed the eventual führer since the 1920s. However, he was not the President of DuPont during the company's conglomeration with German companies and involvement in rearmament there after the rise of Nazism and well into World War II. He died on December 19, 1963, in Wilmington, Delaware. References External links The Sophie du Pont May papers at Hagley Museum and Library contain a series of correspondence between Irénée du Pont and his older sister, Louisa d'Andelot du Pont Copeland. Sophie du Pont May was Irénée du Pont's daughter. American businesspeople American eugenicists American people of French descent 1876 births 1963 deaths Irenee Massachusetts Institute of Technology alumni Old Right (United States) People from New Castle, Delaware