William H. Wren

Lomie F. Caho

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

Willard J. Koetje

E. J. Bradley

Bradley worked in the United States Engineer District Office.

Virgil I. Mann

Virgil I. Mann served in the 320th Troop Carrier Squadron.