M.F. Raub

Lomie F. Caho

Lomie F. Caho was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

H. P. Graves

Graves worked in the United States Engineer District Office.

Richard Hopcus

Jerome O. Ackerman

Jerome Otto Ackerman was a member of the Special Engineer Detachment who served as a group leader at Los Alamos during the Manhattan Project.