The Manhattan Project

Reflections on the Bombings of Hiroshima and Nagasaki

Murray Peshkin

Murray Peshkin is a Manhattan Project veteran and a physicist. He was recruited by the Army to assist the Manhattan Project at Los Alamos when he was an undergraduate student studying physics at Cornell.

Irwin P. Sharpe

Irwin P. Sharpe was born in 1921. He was recruited for the Manhattan Project by his employer, General Electric, after he graduated from the University of Michigan with a degree in engineering in 1942. His work took place in the Woolworth Building in Manhattan, where he played a key role in developing pumps and seals to transport gas and oil.

Dieter Gruen's Interview

Cindy Kelly: I'm Cindy Kelly, Atomic Heritage Foundation. This is Monday, February 16, 2015. We are in Pompano Beach, Florida with Dieter Gruen. I'm going to ask him to please say his name and spell it.

Dieter Gruen: I am Dieter Martin Gruen. D-I-E-T-E-R, M-A-R-T-I-N, G-R-U-E-N.

Kelly: Very good. Anyway, this is an interview about your life but with a focus on the Manhattan Project Experience. In that spirit can you tell us when and where you were born?

John Mench's Interview

Mench: I am John Mench and sixty years ago I was a young man with a wife and a baby girl, a good job in industrial deferment, a brand new home and a mortgage. Inside of a week or two, I had in my hand a ticket to a camp, an Army camp, an industrial deferment that was cancelled. I still had a wife and a baby daughter but they were now living with my wife’s sister, and my home was rented. The only thing that hadn’t changed was the mortgage.

Val Fitch's Interview

Val Fitch: My name is Val Logsdon Fitch. It’s V-A-L L-O-G-S-D-O-N F-I-T-C-H. And the Logsdon is my mother’s maiden name. Where Val comes from, I have no idea. Except it was a favorite name of my mother’s.

Cindy Kelly: Tell us a little bit about your background and how you happened to end up at Los Alamos during the war.

Raemer Schreiber's Interview (1993)

Raemer Schreiber: Yes, there was at least one [bomb core], and people back here worked furiously taking the plutonium as it arrived and converting it into another core. I don’t know the answer to it. I have heard stories another core was on its way out at the time of the surrender.

Richard Rhodes: Groves decided not to ship it. I’ve seen the document.

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