D.E. Jenne

Walter Groeger

Walter Groeger worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Thomas J. Barthlow

Virgil Harris

Virgil Harris worked on the Manhattan Project at Los Alamos. After the war, he worked for Sandia National Laboratories.

Frank Morgan

Frank Morgan was a staff worker at Los Alamos during the Manhattan Project.