James F. Margiotta

Annie L. Powell

Annie Powell worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Daniel J. Keefe

Daniel J. Keefe was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

O. R. Coglizer

H. E. Ostdahl

Ostdahl worked in the 200 West Area at Hanford during the Manhattan Project.