Richard Baker: The first plutonium that, other than the cyclotron that produced plutonium, was made at what was called the Clinton Piles at old X10 down in Oak Ridge. The Chicago Met Lab worked on the micro scale reduction of the metal. This produced rather small quantities but never enough quantities to study its properties in any accurate manner.
Joseph Katz: Now it was recognized that plutonium would have a chemistry that would be quite similar to that of uranium. And developing procedures for the separation of plutonium from irradiated uranium. The assumption that was most commonly made was that the chemistry of plutonium would be similar, if not identical to that of uranium and this, of course was an entirely reasonable assumption to make.
Announcer: Here is your host and moderator, Milton Rosenberg.
Milton Rosenberg: Our guests tonight all know a great deal about the bombing of Hiroshima and Nagasaki, but from different vantage points, two of them from the vantage point of being up in the air and helping to drop the bombs. They are Fred Olivi, who was the co-pilot of Bockscar. That was the plane that actually delivered the bomb to Nagasaki.
Michele Gerber: My name is Michele Gerber, M-I-C-H-E-L-E G-E-R-B-E-R.
Why should people today care about the Manhattan Project?
Richard Rhodes: An interview with Dr. Stanislaw Ulam in Santa Fe, New Mexico, July 6, 1983.
Rhodes: Well I have some questions for you.
Ulam: Yes, of course. How long are you staying?
Rhodes: I am going to be in the area for until Saturday morning. It would be pleasant to see more of you. I thought I would go out to Los Alamos today and stay up there.
Ulam: There is a hotel.
Tell us your name.
Roger Rohrbacher: I'm Roger Rohrbacher. That’s R-O-H-R-B-A-C-H-E-R.
How did you come to Hanford?
Rohrbacher: In 1942 and '43, I was working for DuPont in an acid plant in Illinois and my buddies were disappearing. They ended up in Richland, so I got the map out and Richland, Pasco weren't even recorded on the map. I contacted them and I said, “What are you guys doing?”
They said, “We don't know.”
Roger Rohrbacher was born in St. Paul, Minnesota on March 11, 1920. He graduated from Macalester College in 1942 with a degree in chemistry and physics. Rohrbacher joined the Manhattan Project and was sent to Hanford in early 1944. He worked as an instrument engineer at the B Reactor. Rohrbacher was tasked with measurign neutron flow and temperature pressure and radiation monitoring.
Alexandra Levy: All right. We are here on April 23, 2015 with Mr. Rex Edward Keller. So first, can you please say your name and spell it.
Rex Keller: Oh, Rex Edward Keller, R-E-X E-D-W-A-R-D, Keller, K-E-L-L-E-R.
Levy: Can you tell me where and when you were born?
Keller: I was born in Saxton, Missouri, October 10, 1923.
Levy: And you grew up in Missouri?
Keller: Yes, yes, in Dexter, Missouri.
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 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.