National Museum of Nuclear Science & History
J. Midkiff worked for the Edenfield Electric Company.
Gerritsen worked at the 300 Area at Hanford during the Manhattan Project.
Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Katherine Meacham worked for the Tennessee Eastman Corporation at the Y-12 Plant.