The Manhattan Project

Manhattan Project Voices

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Voices of the Manhattan Project

Chicago Pile-1 scientists"Voices of the Manhattan Project" is a joint project by the Atomic Heritage Foundation and the Los Alamos Historical Society to create a public archive of our oral history collections of Manhattan Project veterans and their families. 

Our online collection features 500 audio/visual interviews with Manhattan Project workers and their families, including J. Robert Oppenheimer, General Leslie R. Groves, Glenn Seaborg, Hans and Rose Bethe, George and Vera Kistiakowsky, and many more. We add new interviews every week, so check back often! 

"Voices" now includes interviews with some of the men who flew on the bombing missions.

Recent Oral Histories

CJ Mitchell's Interview

CJ Mitchell's Interview

CJ Mitchell grew up in northeastern Texas. In this interview, he describes moving to Hanford after graduating from high school in 1947. Only sixteen years old, Mitchell took a job working on the trailer park in North Richland, and worked on other construction projects. At first, he lived in a tent with his relatives in East Pasco. He eventually studied at Columbia Basin College and got a job at one of General Electric’s Hanford laboratories as an Equal Employment Opportunity (EEO) specialist. He describes the racism he encountered in the Tri-Cities area and how segregation and the Great Migration impacted him and his family. Mitchell, an avid sports enthusiast and coach, was also famous in the Northwest for his work as a sports official.

Shigeko Uppuluri's Interview

Shigeko Uppuluri's Interview

Shigeko Uppuluri was born in Kyoto, Japan and lived in Shanghai, China during World War II. She came to the United States for graduate school, where she met her husband, mathematician Ram Uppuluri. The couple moved to Oak Ridge, TN in 1963. In this interview, Uppuluri tells the story of the Oak Ridge International Friendship Bell, a symbol of peace and reconciliation between Japan and the United States. She describes how she and her husband launched the effort to build the Bell, the opposition they faced, and the new Peace Pavilion for the Bell in Oak Ridge’s Bissell Park.

J. Robert Oppenheimer's Interview

In this rare interview, J. Robert Oppenheimer talks about the organization of the Manhattan Project and some of the scientists that he helped to recruit during the earliest days of the project. Oppenheimer discusses some of the biggest challenges that scientists faced during the project, including developing a sound method for implosion and purifying plutonium, which he declares was the most difficult aspect of the project. He discusses the chronology of the project and his first conversation with General Leslie Groves. Oppenheimer recalls his daily routine at Los Alamos, including taking his son Peter to nursery school.

Eric Pierce Final Cut

Eric Pierce's Interview

Eric Pierce is a senior scientist and leader of the Earth Sciences Group in the Environmental Sciences Division at Oak Ridge National Laboratory. Born in New Orleans, Pierce has a Ph.D in low-temperature geochemistry from Tulane University. In this interview, Pierce describes some of the work of his team at Oak Ridge, including how contaminants and energy production byproducts such as mercury move through the environment. He provides an overview of the important mercury research and discoveries scientists have made at ORNL, and speaks to the collaborative and dynamic nature of ORNL as a workplace.