National Museum of Nuclear Science & History
Winfield Sylvester was a staff worker at Los Alamos during the Manhattan Project.
Frank Harrison worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Charles Crichfield worked as an elctrician in Oak Ridge, Tennessee from 1943 to September 1945. Crichfield's brother Paul and father P.
Morris S. Kaplan was a Chemical Engineer for the Houdaille-Hershey Company in Decatur, Illinois. Kaplan was born in Massachusetts in 1921 and grew up in Chicago, Illinois.