October 13, 2015 is Ada Lovelace Day, which commemorates the achievements of women scientists, engineers, and mathematicians. Many women worked on the Manhattan Project. Some worked in the production facilities as technicians, monitoring for leaks or adjusting the controls of the Calutrons at Oak Ridge; a small number of women were scientists involved at the highest levels of the project.
The Atomic Heritage Foundation’s website “Voices of the Manhattan Project” seeks to preserve the memories of Manhattan Project veterans, highlighting the diverse experiences and backgrounds of those who worked on the project. Here are some excerpts from interviews with women who were involved on various portions of the project. For more oral histories with women, follow the links and visit "Voices of the Manhattan Project." Also, Ruth Howes and Catherine Herzenberg write about women scientists in the Manhattan Project in “Their Day in the Sun” (1999).
Anne McKusick (Oak Ridge): When I got to Oak Ridge, it was perhaps not surprising that there were no girls who were physicists. I remember somebody saying to me once, “You consider that you're a girl who happens to be a physicist, or a physicist who happens to be a girl?” It was just that women weren’t thought to be capable of learning the subject, or thought that it was strictly a man’s field at that time.
Life in Oak Ridge was very casual. I remember being dressed up for work, but after work we were wearing blue jeans all the time. I lived in a house with five other girls, no one of whom was in physics. In fact, at the time I came I was the only girl who had studied physics.
Lilli Hornig (Los Alamos): I had a job in the chemistry department doing what was called “fundamental wet research, ” which involved working with plutonium, determining the solubility of various plutonium salts. It was essentially nothing known about plutonium chemistry at the time. And there was one other woman in the division, she and I worked together and we had our little cubby hole and did our little procedures and put them under the Geiger counter. It wasn’t terribly inspiring and nobody actually really spoke to us.
We clunked along there for a couple months. And then they got the first results from Hanford with the bad news about 240, plutonium-240, which was much more active than 239. And the first response was to fire both of us instantly. And I complained a bit about that. They were worried obviously about reproductive damage. I tried delicately to point out that they might be more susceptible than I was; that didn’t go over well.
There were many women involved. You know, the men had been drafted. There was manpower shortage. And so the men who were here were, you know, top brass or 4-Fs or G.I.s. I mean, it was an Army-looking camp and I guess the Army ran this area. Everything was according to the Army. All the rules and regulations were Army, so that’s the rules we lived by. And whatever they said, we did.
And then the women worked. There was no problem getting a job. In those days there were not any women engineers that I knew of, or any chemists, or physicists. The women usually were educated: home ec. [economics] majors, teachers, nurses. And they got jobs readily. And the others, they would train you. We had a lot of teachers that came and they’d train them for leak test or supervisors or something like that.
Leona Woods Marshall (Chicago, Hanford): I worked with John Wheeler and I helped solve the riddle of the Hanford xenon poisoning. Remember, this was the first big reactor in the world. Here were all these big shots, lining the walls, to watch the startup. The operators were all coached. They had manuals. They had been through the routine X-Y-Z times. So here comes startup. You can see the water getting hot, the readings going up on the Brown recorders, you could hear it rushing in the tubes, you could see the control rods coming out and out and out. Later, something happened, and there was no more reactivity. The reactor went dead, just plain dead. People stood around and stared at each other.
Wheeler had been at Oak Ridge, so he knew about the Oak Ridge reactor, which had showed signs of misbehavior, which could have been interpreted as poison, but you couldn't prove it. At Hanford, we had the time period, the time it took for the reactor to go up to power, die and come back on. I would say Wheeler solved it, no doubt.See also:
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