The Manhattan Project

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

Klaus Fuchs

Robert Lamphere's Interview - Part 2

Robert Lamphere: They said that he [Klaus Fuchs] annoyed some of the people because he wanted to keep certain [inaudible]. That’s a little point of irony. 

Richard Rhodes: Although, again, there was one guy who later thought, “Well, maybe he was pushing to find out what was the most valuable information.” Which I hadn’t thought of until I saw that comment.

Lamphere: I did not remember that at all. Don’t remember covering it in my interview.

Marshall Rosenbluth's Interview

Richard Rhodes: How did you get involved in the program?

Marshall Rosenbluth: Well, you can probably guess. I’ve already told you that I was a student of [Edward] Teller’s. I was in the Navy during the war and then went back to the University of Chicago where my parents were living, to graduate school, and became a student of Teller’s. I’m not quite sure exactly how. He was a professor in one of my courses.

Robert Lamphere's Interview - Part 1

Robert Lamphere: One of the British newspapers speculated about allowing the FBI into see this guy [Klaus Fuchs], because we might actually use the third degree against him – which we thought was funny as hell. But right off the bat, he wasn’t sure he wanted to tell me anything, because of what we filed against ‒ particularly his sister, Kristel Heineman, and her husband, and others. So he and I fenced a little bit back and forth before we ever showed him the pictures or anything else. As to whether he was going to talk at all‒

Charles Critchfield

Charles Critchfield was a mathematical physicist assigned to work on the development of gun-type fission weapons, and eventually implosion-type weapons, at Los Alamos. He returned to Los Alamos in 1952 to work on the development of the hydrogen bomb.

Bob Carter's Interview (2015)

Kai Bird: Let us begin at the beginning and I think the viewers of this will want to know first about your own background. What year were you born?

Bob Carter: I was born in 1920 in Philadelphia, Pennsylvania.

Bird: On what day?

Carter: February 3, 1920.

Bird: 1920.

Carter: Yes.

Bird: Okay, 1920, what was sort of before modern physics, quantum physics was invented as such.

J. Carson Mark's Interview

Carson Mark: We shouldn’t have been making this damn bomb without trying to keep it secret from [Joseph] Stalin. We should’ve been talking to him like [Niels] Bohr said. [Klaus] Fuchs believed and took it into his own hands to make sure that the conversation went on. Of course, he didn’t need to because Stalin knew anyway. Not the technical details, but the general facts.

Louis Rosen's Interview

Rosen: Well, my name is Louis Rosen. I was born in New York City, not the best part of the city. I’m now almost eighty-five years old. My parents were immigrants from Poland.  They were escaping from the pogroms, which were taking place with the Russian Cossacks coming in and raiding villages, especially where Jews where plentiful. My father came over here in about 1909. My mother—they were girl and boyfriends in the old country—came over two years later.

Louis Rosen

Louis Rosen, a native New Yorker and the son of Polish immigrants, was personally selected to work on the Manhattan project in Los Alamos while a graduate student in physics. Once in Los Alamos, Rosen was assigned to Edwin McMillan’s group, where he worked on implosion technology. Rosen remained in Los Alamos after the war ended and was considered the father of the Los Alamos Meson Physics Facility. 

Ralph Gates's Interview

Wendy Steinle: Good morning, Ralph. I’m Wendy Steinle, as you know, and I am really pleased to be your friend and to have the opportunity to interview you this morning. Just for the record, will you start by stating and spelling your name, and then tell us the date?

Ralph Gates:  Well, thanks, Wendy. My name is Ralph Gates, but I am—it’s Ralph Pillsbury Gates and I am a junior. It’s R-a-l-p-h, Pillsbury is P-i-l-l-s-b-u-r-y, and Gates is G-a-t-e-s.

Steinle: What is today’s date?

Ralph Gates

Ralph Gates is a chemical and electrical engineer who worked on the Manhattan Project as a part of the Special Engineer Detachment. His primary job was casting shape charges for the plutonium bombs.

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