The Manhattan Project

In partnership with the National Museum of Nuclear Science & HistoryNational Museum of Nuclear Science & History

Hanford, WA

Kenneth Nichols

Major General Kenneth Nichols (1907 - 2000) served as Deputy District Engineer of the Manhattan Engineer District.

Nichols was chosen for his role by Colonel James Marshall. Responsible for selecting a construction site, the pair decided on Oak Ridge, Tennessee. Nichols was also in charge of ore procurement. He met with Edgar Sengier, who was expecting the visit and already had 1,200 tons of ore cached at a Staten Island warehose. Arrangements were made to purchase the ore, which originated from the Belgian Congo.

John Wheeler's Interview (1965)

Stephane Groueff: So I think the best thing is just talk. So if you want to start from the beginning and tell me a little bit about yourself, Dr. Wheeler, and where you come from and a few words about your career, and how you happen to get involved with the atomic project.

John Wheeler: Well I would say that my most important decision I ever took was to go to work with Niels Bohr. I remember writing the fellowship application when I was twenty-one years old to go to work with him because—

John Wheeler

John Archibald Wheeler was an American theoretical physicist and the leading physicist in residence at Hanford. He solved the riddle of the B Reactor going dead a few hours after it started, an event that threatened to delay seriously the first production of plutonium.

Irénée du Pont, Jr.'s Interview (2014)

Irénée du Pont: My name is Irénée du Pont, Junior. I-R-E-N-E-E D-U P-O-N-T, J-R. I was born January 8, 1920, and I have not died yet. 

Cindy Kelly: Well, that is something that we are all very grateful for. It is wonderful to be here today. I am Cindy Kelly, it is August 11, 2014, and we are in the gracious home of Irénée du Pont, Jr. And we are here to learn a little bit more about his life and the company who shares his name. So maybe we can start with your life.

Colonel James C. Marshall

Colonel James C. Marshall was the Director of the Laboratory for the Development of Substitute Metals, or DSM, the military’s initial cover name for the Manhattan Project. In 1942, Marshall immediately moved from Syracuse, NY where he served in the Corps’s Syracuse Engineer District, to New York City. Concerned that the name DSM would attract too much attention, Marshall set up the Manhattan Engineer District (MED), established by general order on August 13, 1942. Marshall presided over the initial stages of the Project until General Leslie R.

Crawford Greenewalt's Interview

Crawford Greenewalt: My first contact was to go out to Chicago with a very large group of people and I have forgotten how many there were, perhaps fifteen or twenty as I recall, it may have been less than that. That is surely in the record too, where we were all exposed to this Chicago development.

Stephane Groueff: By whom?


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