The Manhattan Project

Oppenheimer Security Hearing

Esther Floth's Interview

Cindy Kelly: Okay, I am Cindy Kelly, Atomic Heritage Foundation. It’s August 9, 2016 and we are in Berkeley, California. I have with me Esther Floth. Our first question I want to ask is for her to tell us your name and to spell it.

Esther Floth: My name is Esther Marie Green Floth. It’s E-S-T-H-E-R; last name F as in “friendly,” L-O-T-H.

Kelly: Great. Esther, tell us something about your beginnings. When were you born and where were you born, and something about your childhood.

Verna Hobson's Interview - Part 3

Hobson: One thing that used to happen to particularly interesting and sensitive papers was that Kitty would take them home, and then they would get lost. Lots of things went that way, including a whole batch of interesting tapes. It was very embarrassing because we had promised [Dean] Acheson that only one copy would be made, and we made two copies and we kept them. When he found out he was quite angry.

Harold Cherniss's Interview - Part 1

Harold Cherniss: Well, you see, I was married on January 1, 1929, in White Plains. When we went back to Berkeley, it was immediately after that that I met  [J. Robert] Oppenheimer. This is the time in which he had come to Berkeley the autumn before, just about this time. Taught one term in Berkeley, one term at Caltech. That’s when I first met him, and I met him because my wife had known him when they were children.

Martin Sherwin: Your wife’s maiden name?

Geoffrey Chew's Interview

Cindy Kelly: Okay, I am Cindy Kelly. This is Tuesday, August 9, 2016 in Berkeley, California. I have with me Dr. Geoffrey Chew. My first question to him is to say and spell his name.

Geoffrey Chew: Geoffrey Chew, G-E-O-F-F-R-E-Y C-H-E-W.

Kelly: Very good, so now we will move on to some harder stuff. If you could tell us when you were born and where, and a little bit about your own childhood.

Robert Bacher's Interview - Part 2

Robert Bacher: I presented this [the discovery of the neutron] in the seminar and there were a good many questions. Some people were skeptical. I convinced Ed Condon almost immediately. In fact, within the week we had written a note together on the spin of the neutron because you could work it out. This part of it fit into the things of nuclear spins, hyperfine structure, nuclear moments, and so on. A good many other people came around to it. I think more than half the people were convinced at that time.

Robert R. Wilson's Interview

Owen Gingerich: This is an interview between Owen Gingerich and Robert Wilson. You use your middle initial. It’s Robert R.?

Robert Wilson: Yes, usually.

Gingerich: Robert R. Wilson, who is a builder of high energy accelerators and who was one of the physicists at Los Alamos. We are speaking today in Philadelphia, where we both happen to be for the American Philosophical Society. It’s April 22. No, it’s Shakespeare’s birthday. It’s April 23. That’s the documentation for the day.

Roy Glauber's Interview

Owen Gingerich: Professor Roy Glauber is a physicist, a physicist who had an early start in physics because when he was still an undergraduate at Harvard, it was during World War II. A mysterious caller knocked on his dormitory door, and asked him if he would want to participate in some unspecified kind of scientific war work. He ended up going to Los Alamos as one of the youngest scientists in that scientific community working to make the atomic bomb. Of course there in Los Alamos, Robert Oppenheimer was the director.

Lee DuBridge's Interview - Part 2

Lee DuBridge: So, yeah, we thought it was an exciting time to have the AEC [Atomic Energy Commission]. We knew, of course, that they were going ahead with the weapon development, but also they were going to support Brookhaven and other research centers around the country. So, no, I think those of us who were not imminently in the Manhattan District, but aware of it, were quite excited about getting in and finding out more about really what was going on and what the new possibilities were, both in physics and in weapon technology.

Norris Bradbury's Interview - Part 2

Martin Sherwin: Okay, this is the middle of an interview with Norris Bradbury.

Norris Bradbury: The fact that I wasn’t particularly involved in these discussions, of the type which the Federation of Atomic Scientists started—they started here, of course. I suppose I was committed to running a laboratory and trying to get people to stay here, while I was not uncommitted to international control of nuclear weapons, for heaven’s sakes. No one could be.

Louis Hempelmann's Interview - Part 2

Louis Hempelmann: He [J. Robert Oppenheimer] just told me what the situation was. He did not ask me, which is the same thing when he got sick because I was in the radiology department here and I knew something about it. He would call me up, tell me what he had done, and then say “What do you think of it?” By that time, the only thing I could say was, “That was fine.”

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