National Museum of Nuclear Science & History
Frank Vaughan was a research associate at the Chicago Met Lab during the Manhattan Project.
John Tucker worked for the United States Engineer District Office.
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.
Alvina Petrus was a stenographer and clerical worker at the Chicago Met Lab.
