National Museum of Nuclear Science & History
Pechar worked in the 300 Area at Hanford during the Manhattan Project.
Clatworthy worked at the 200 West Area at Hanford during the Manhattan Project.
P. F. Finck worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Rex Edward Keller was a member of the Special Engineering Detachment, assigned to work in Seth Neddermeyer’s chemistry group at Los Alamos.