The Manhattan Project

Security & Secrecy

Russell E. Gackenbach's Interview

Alexandra Levy: We are here on December 27th, 2016, in Florida, with Russell Gackenbach. My first question for you is to please say your name and spell it.

Russell Gackenbach: My name is Russell E. Gackenbach. G-A-C-K-E-N-B-A-C-H.

Levy: Please tell us your place and date of birth.

Gackenbach: I was born in Allentown, Pennsylvania, March 1923, on March 23.

Russell E. Gackenbach

Russell E. Gackenbach was a navigator in the 393rd Bombardment Squadron and 509th composite group. He flew on both the Hiroshima and Nagasaki missions. His crew flew aboard the Necessary Evil, which was the camera plane for the Hiroshima mission. Gackenbach photographed the mushroom cloud over Hiroshima. His crew flew again during the Nagasaki mission as the weather reconnaissance plane for the city of Kokura. 

Louis Hempelmann's Interview - Part 4

Louis Hempelmann:  I do not think the people who came later were ever as close as the people who were there at the beginning.

Martin Sherwin: Did most of the people who came later, were they junior people? That is, younger? [Enrico] Fermi came later.

Hempelmann: [George] Kistiakowsky came later.

Sherwin: He did? When you say “earlier” and “later,” what dates are you talking about?

John Manley's Interview (1985) - Part 1

Martin Sherwin: Good afternoon, this is an interview with John Manley at the Red Onion restaurant, January 9th, 1985, Los Alamos, New Mexico.

John Manley: —whether you want to start that yet or not? I’m not at all sure in what way I can help you.

Sherwin: Well, I would like to write a book. [Laughter]

Manley: I would like somebody else to write a book with information I could supply.

Louis Hempelmann's Interview - Part 3

Martin Sherwin: What was the set-up at Los Alamos, in terms of your relationship to the director [J. Robert Oppenheimer] and how you operated?

Louis Hempelmann:  I was working directly under him. I started out with my wife as a half-time secretary, and the technician I brought with me from St. Louis, and Kitty worked for me.

Sherwin: What did Kitty do for you?

Hempelmann: Did blood counts.

Sherwin: Was she a good technician?

Vincent and Clare Whitehead's Interview - Part 2

[To see an edited version of the interview published by S. L. Sanger in Working on the Bomb: An Oral History of WWII Hanford, Portland State University, 1995, click here.]

Clare Whitehead: I got raised to Tech Sergeant, so he immediately got raised to Tech Sergeant. He said, “Well, we figured it was too bad we did not get married earlier. We would have been generals by the time we retired.” [Laughter]

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