National Museum of Nuclear Science & History
Yates worked at the 300 Area at Hanford during the Manhattan Project.
L. J. Ritter worked for the Roane-Anderson Company.
Lee R. Masoner served with the 603rd Air Engineering Squadron of the 509th Composite Group on Tinian Island in the South Pacific during World War II.
William Spindel was a member of the Special Engineer Detachments at Oak Ridge and Los Alamos. Spindel worked in a group that helped make coatings for the implosion bomb.
Marcia Rosenthal was a biochemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.