National Museum of Nuclear Science & History
Charles Helmers worked for the J.A. Jones Construction Company.
John Mench was assigned to the Special Engineer Detachment at Los Alamos where he worked as a pattern maker, creating wooden casts for metal work at the site’s foundry.
H. R. Koonce worked for the J.A. Jones Construction Company.
Edith Haag was a member of the Women's Auxillary Corps assigned to Los Alamos as a clerical assistant.
