Walter Krieger

Mary Lou Curtis

Mary Lou Curtis joined the Manhattan Project in Dayton, Ohio in 1943. Mrs. Curtis worked in the Counting Room at Monsanto’s Unit III facility, where she developed new methods to measure and analyze radioactive materials, such as polonium, which was used as the trigger for the atomic bombs.

Earl O. Casey

Earl Otto Casey was a Captain in charge of the 603rd, part of the 509th composite. He is also featured in the Wendover Field Museum, Wendover, UT, and the Museum of the Pacific.

K. R. Brown

Brown worked in the United States Engineer District.

Raymond L. Gallo