National Museum of Nuclear Science & History
H. W. Brackney worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Jack Rose was a machinist and armorer in the Special Engineering Detachment (SED) assigned to the 509th Composite Group in Wendover, Utah.
J. S. Hart worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Blanche J. Lawrence was an African-American research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
