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National Museum of Nuclear Science & History

Irénée du Pont, Jr. is a member of the storied du Pont family and the son of the President (1919 to 1925) of the E. I. du Pont de Nemours and Company. He is an engineer and worked for DuPont for many years.

The DuPont Company played a crucial role in the Manhattan Project; in 1942, DuPont was enlisted to design and build the project facilities at Hanford, including the B Reactor. Du Pont’s second oldest sister, Margaretta, married Crawford Greenewalt, a famous Manhattan Project scientist and chemical engineer who served as liaison between the Met Lab physicists and the DuPont engineers working on the B Reactor. 

Irénée Du Pont, Jr.'s Timeline
19191925 Irénée du Pont, Jr.'s father, served as President of DuPont.
1920 Jan 8th Born in Wilmington, DE.
1943 Graduated from MIT.
19431946 Worked for Ranger Aircraft Engines in Farmingdale, Long Island.
1946 Apr 1st Began working for DuPont.
19531978 Worked for DuPont in Wilmington, DE.

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