John E. Collins

Ernest J. Mekanas

Ernest Mekanas was a member of the Provisional Engineering Detachment at Los Alamos. Mekanas was in Los Alamos from 1943 to 1945, working primarily at the post office.

George Mallinckrodt

George Mallinckrodt was a physicist at the Manhattan Project’s Los Alamos, NM facility. He also worked at Argonne National Laboratory, the successor of the University of Chicago’s Metallurgical Laboratory (“Met Lab”).

C. Fred Miles

E. P. Kelleher

Kelleher worked for Stone and Webster Engineering Corporation.