National Museum of Nuclear Science & History
P. P. Evans worked at the 200 West Area at Hanford during the Manhattan Project.
Thomas Braswell worked on the assembly line for Mallinckrodt Chemical, a civilian contractor for the Manhattan Project in St.
Ella Tyree was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Thomas Velasquez was a staff worker at Los Alamos during the Manhattan Project.