Roger Fulling was the Division Superintendent of Construction at DuPont during the Manhattan Project, which meant that he coordinated and expedited the construction projects at Hanford and Oak Ridge. He was also the main liaison with General Leslie R. Groves on the Hanford construction project. In this interview, Fulling discusses DuPont’s procurement issues and the support of American industry for the Manhattan Project. He also recalls visiting Hanford and the early days of working with General Groves. He explains the fate of Hanford’s orchards and farms after the Manhattan Project requisitioned the land, and his sadness at witnessing the orchards fall into ruin.
In this interview, Roger Fulling discusses the various positions he held at DuPont during and after the war. He recalls a special request from the Australian government for smokeless powder that DuPont had to fulfill, as well as outlining the structure and history of the DuPont Company. He explains the other wartime work of the DuPont Company and how DuPont had to balance its Manhattan Project work with its other military contracts.
Roger Fulling served as a division superintendent in DuPont’s War Construction Program. In this interview, he discusses the priority that the Manhattan Project received in the industrial sector, especially with materials like aluminum. He talks about coordinating production with the armed forces, including General Douglas MacArthur. He explains how General Leslie R. Groves would intervene if a company was having difficulty acquiring materials or producing products to certain specifications. Fulling also mentions meeting some of the top scientists, including Eugene Wigner, who thought that scientists alone, not DuPont and their engineers, should work on the project, and how DuPont persuaded them otherwise. He remembers his interactions with General Groves after the war, and explains why Groves chose DuPont to work on the Manhattan Project.
Dr. Raymond Grills was a DuPont physical chemist who worked at the University of Chicago Met Lab and later at Hanford during the Manhattan Project. While at Hanford, he was one of two men who invented the canning process that sealed uranium slugs for use in Hanford’s water-cooled nuclear reactors. In this interview, he describes the challenges and pressures he and his colleagues had to overcome, and explains why the canning had to be designed perfectly. He also describes humorous encounters with a machinist and a railroad porter while transporting uranium slugs.
Crawford Greenewalt, Jr., was an archeologist and the son of Crawford Greenewalt, a chemical engineer for the DuPont Company. The elder Greenewalt was assigned to act as a liaison between the physicists at the Chicago Met Lab and the engineers at Hanford, who were constructing the B Reactor. He went on to become the President of DuPont, and was renowned for his interest in photography, birds, and other scientific endeavors. Crawford Jr. discusses his family’s lineage, his father’s education and career, and his father’s busy schedule during the war. He also recalls the comfortable family breakfasts and his parents’ love for music and dancing.
Ernest Tremmel was a civil engineer who worked on the Manhattan Project for the Army Corps of Engineers, as a purchasing officer. He went on to work for the Atomic Energy Commission (AEC) for many years and as a nuclear energy consultant. In this interview, Tremmel discusses the secrecy of the Manhattan Project and how he learned the goal of the project. He recalls interacting with General Leslie R. Groves, Admiral Hyman Rickover, and other AEC commissioners as well as directors of energy companies. Tremmel explains what made this period, and the quest to build nuclear reactors, so exciting. He also remembers witnessing a nuclear bomb test after the war.
Nancy Greenewalt Frederick is the oldest child of Crawford Greenewalt, a chemical engineer for the DuPont Company. He was assigned to act as a liaison between the physicists at the Chicago Met Lab and the engineers at Hanford, who were constructing the B Reactor. He went on to become the President of DuPont, and was renowned for his interest in photography, birds, and other scientific endeavors. Frederick discusses her father’s wide-ranging interests, his passion for his job, and the activities he enjoyed pursuing with his wife, family, and friends.
General Kenneth Nichols was the District Engineer for the Manhattan Engineering District, and oversaw the design and operation of the Hanford and Oak Ridge sites. He was responsible for securing the initial deals with Stone & Webster and the DuPont Company to develop the industry for the site, and lived for a time with his wife at Oak Ridge. He discusses sabotage and Klaus Fuchs, dealings with the British, and the very start of the Manhattan Project. He recalls some conflict between the scientists and engineers, the importance of industry in the project, and the initial problems with the startup of the B Reactor.
Tom Gary was a military engineer during World War II. In his interview, he discusses how he began working at the age of nineteen, dropping out of high school just two months before graduation to support his family. He worked on the railroads for a decade before applying to become an Army first lieutenant. After earning the position, he was deployed to France, and sent back to the United States following the end of the war. He then became the head of design for DuPont. Gary also helped design the plants at Hanford and Oak Ridge.
Tom Gary headed the design division in the engineering department at the DuPont Company and served on the committee which decided among the proposed fissionable material production and purification processes. He discusses his time on the review committee, including Ernest Lawrence’s effective salesmanship, and what it was like to work with a young Crawford Greenewalt.