National Museum of Nuclear Science & History
Trask worked at the 200 West Area at Hanford during the Manhattan Project.
Hayes worked at the 300 Area at Hanford during the Manhattan Project.
J. R. Evans worked for the William A. Pope Company.
Jas Penny, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Riddle was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
