National Museum of Nuclear Science & History
Edward Simon worked for the Roane-Anderson Company.
Charles Lindsey, Jr. served in the 603rd Air Engineering Squadron.
Marion Edward Cieslicki was an Polish American metallurgist who worked on the Manhattan Project from 1944 to 1946 at the University of Chicago and at Los Alamos.
Welch worked at the 200 West Area at Hanford during the Manhattan Project.
