J. Seppanen

Arthur Buck

Arthur Buck was a security guard for the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.

R. G. Swank

M. E. Ritchie

M. E. Ritchie served in the 390th Air Service Group.

Raymond A. Taylor

Raymond Taylor was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.