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National Museum of Nuclear Science & History

Oral Histories

Robert Krauss’s Interview

Robert “Bob” Krauss is the Official Historian of the 509th Composite Group. He and his wife, Amelia Krauss, published The 509th Remembered, which profiles the service members of the 509th Composite Group and the events that surrounded the group and its role in dropping the atomic bombs on Hiroshima and Nagasaki. In this interview, Krauss discusses how he became interested in collecting and preserving the history of the 509th and became the official historian for the 509th CG. He also narrates the stories of airmen from the 509th Composite Group and recounts his relationship with some of the airmen, including Donald Albury, Ray Gallagher, Fred Olivi, Paul Tibbets, and others. He reflects on the atomic bombings, the legacy of the Manhattan Project, and visiting some of the Manhattan Project sites today.

Nancy K. Nelson’s Interview

Nancy K. Nelson is the widow of Richard H. Nelson, who was the VHF radio operator on the Enola Gay on the Hiroshima atomic bombing mission. In this interview, Nelson discusses how she met her husband after the war. She describes his experience training to be a radar operator and in the 509th Composite Group. She recalls how he and other members of the missions felt about the atomic bombings. Nelson also discusses her experiences going to 509th Composite Group reunions and her husband’s friendships with General Paul Tibbets and other members of the 509th including Tom Ferebee, Dutch Van Kirk, and others. She also describes her husband’s visit to Japan and other reunions and events where he shared his wartime experience.