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

Helene Langevin-Joliot's Interview

Hélène Langevin-Joliot's Interview

Hélène Langevin-Joliot is a French nuclear physicist. She is the granddaughter of Nobel Prize winning physicists Marie and Pierre Curie and the daughter of Nobel Prize winners Irène and Frederic Joliot-Curie. In this interview, she discusses the challenges Marie and Pierre overcame to study science, and their scientific collaboration that led to their discovery of polonium and radium. Langevin-Joliot discusses her parents’ contributions to the global development of nuclear physics during the 1930s, their decision to remain in France during the Nazi Occupation, and Frederic’s role leading the postwar French Atomic Energy Commission. Langevin-Joliot concludes by addressing her own experiences in the field of nuclear physics, particularly the difficulties of being a woman in science.

Thomas Mason's Interview

Thomas Mason's Interview

Thomas (Thom) Mason is the President and CEO of Triad National Security, LLC and the director designate of Los Alamos National Laboratory. A condensed matter physicist, he previously served as the director of Oak Ridge National Laboratory from 2007-2017, and as Senior Vice President for Global Laboratory Operations at Battelle. In this interview, Mason describes some of the major scientific projects at Oak Ridge from the Manhattan Project to today, including the Spallation Neutron Source, nuclear reactor development, scientific computing, and nuclear nonproliferation efforts. He also explains why he believes that the science done at universities and national laboratories creates “a fertile ground” for innovation.

Virginia Coleman's Interview

Virginia Coleman's Interview

Virginia S. Coleman grew up in Louisburg, North Carolina. She was a chemist at the Y-12 Plant at Oak Ridge during the Manhattan Project, and was one of the women featured in Denise Kiernan’s book “The Girls of Atomic City.” In this interview, she remembers arriving at Oak Ridge and her wait in the “bullpen” until she could be cleared to work there. Coleman describes the projects she was involved with and remembers some of her colleagues. She also describes riding the bus at Oak Ridge and her experiences as a social worker after the war.

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.