National Museum of Nuclear Science & History
Rolland Perry was a staff worker at Los Alamos during the Manhattan Project.
Paschal Hamrick worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph Mullaney was a staff worker at Los Alamos during the Manhattan Project.
Walter Main worked for the United States Engineer District Office.
Rolf Peterson was a physicist at Los Alamos from 1943 through the end of the war. Peterson graduated from St.