National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
Jasper Brown Jeffries was an American physicist. Jeffries was born in Winston-Salem, North Carolina, on April 15, 1912.
K. C. Peterson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Carl Adolphson was a staff worker at Los Alamos during the Manhattan Project.
