National Museum of Nuclear Science & History
Winfield Sylvester was a staff worker at Los Alamos during the Manhattan Project.
Underwood worked at the 200 West Area at Hanford during the Manhattan Project.
Dale Babcock was a physical chemist and colleague of Crawford Greenewalt. Greenewalt took Babcock and a few other close DuPont colleagues with him into the new world of atomic energy.
R. C. Schuler worked for Clinton Laboratories at the X-10 Reactor.
W. H. MacDonald worked for the Union Carbide & Carbon Corporation.