The Manhattan Project

Scientific Discoveries

Joseph Rotblat's Interview

Martin Sherwin: This is an interview with Professor Joseph Rotblat, R-O-T-B-L-A-T, at his office in London. Well it really was quite a production. Seven hours!

Joseph Rotblat: Yes, oh yes, quite a production.

Sherwin: I thought Sam Waterston played a marvelous part.

Rotblat: Who?

Sherwin: The person who played [J. Robert] Oppenheimer.

Marvin Goldberger's Interview

Martin Sherwin: President Goldberger, Marvin Goldberger of California Institute of Technology at Caltech in Pasadena, March 28, 1983. This is Martin Sherwin.

This is something obviously I should have done three years ago back in Princeton when you had more time, etc.

Marvin Goldberger: That’s all right. I have plenty of time.

Sherwin: You first met [J. Robert] Oppenheimer after the war, right?

Ed Hammel's Interview

Martin Sherwin: The work must have been sort of very frustrating for a while, before that [Stanislaus] Ulam-[Edward] Teller breakthrough [on the hydrogen bomb].

Ed Hammel: Well, sure. There was— 

Sherwin: What were you doing at that time?

Hammel: At that point, I continued with having this group in charge of properties of plutonium. But one of the things that we were very interested in was the low temperature properties, the specific heat specifically, of plutonium.

University of Rochester

Small experiments studying the effects of radioactive isotopes, including plutonium, uranium, and polonium, on humans were conducted in the Manhattan Annex of the Strong Memorial Hospital located at the University of Rochester. The purpose of these studies was to examine the safety of small amounts of radiation on those working at other Manhattan Project sites.


Often overlooked, British physicists were the first to realize the feasibility of an atomic bomb and their urgings were vital to the development and success of the Manhattan Project in the United States.

California Institute of Technology

Before the war, the California Institute of Technology (Caltech) was a leading university in the fields of particle and nuclear physics. It was especially known for its experimental physicists. Many scientists who had important roles on the Manhattan Project were affiliated with Caltech, including J. Robert Oppenheimer, Richard Tolman, and Robert Bacher. In addition, a group working at Caltech under Charles Lauritsen directly assisted in the bomb-building effort, providing help manufacturing detonators that would be used in the atomic bombs. 

Ted Taylor's Interview - Part 4

Rhodes: Well, I had started to ask you about the Korean War. Was that a shock? Did that worry everyone and accelerate your sense of pressure?

Taylor: I don’t think so. I don’t remember any feeling of pressure, that we had to do something by a certain time or else all hell would break lose. All I remember was excitement and anticipation and eagerness to know the result of something I had worked on.

Ted Taylor's Interview - Part 3

Richard Rhodes: Although again, I was struck in Russia with how different a world that was.

Ted Taylor: Oh, yeah.

Rhodes: How much more closely they were—

Taylor: That is why I am so thankful because in many other places people get shot.

Rhodes: Yeah. We could not even get directions on the street. Nobody wanted to talk to foreigners. Even now, partly, I am sure.

Taylor: Some of that is habit, I think.

The Search for Atomic Power

Ed Wood: January 21, 1954 will go down as a significant day in human history. A milestone in man’s scientific progress. For on that day, at Groton, Connecticut, was launched the first nuclear-powered submarine, the Nautilus, powered by the world’s first atomic engine designed to do useful work. With this achievement, man at last has seen the dawn of the age of atomic power.

Hanford 25th Anniversary Celebration

[Many thanks to Claude Lyneis for donating this footage to the Atomic Heritage Foundation.]

Narrator: About seventy-five miles northwest of Walla Walla, Washington, in an isolated expanse of open desert, civilization entered into a new age, an age from which it would never emerge the same. Here, in the home of the Wanapum Indians, the terrain is mostly scrubland, laced here and there by cheatgrass, greasewood, and Russian thistle.


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