National Museum of Nuclear Science & History
Calkins worked at the 200 West Area at Hanford during the Manhattan Project.
Virginia Meschke was a chemist and technician at the University of Chicago Met Lab. She specialized in plutonium chemistry.
Christianson worked at the 100-F Area at Hanford during the Manhattan Project.
J. D. Gibson worked for the Roane-Anderson Company.
Mildred McNamee worked for the Tennessee Eastman Corporation at the Y-12 Plant.