National Museum of Nuclear Science & History
Watkins worked at the 300 Area at Hanford during the Manhattan Project.
Howard R. Kratz (1916-2013) was a nuclear physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. E. Sampson worked for the United States Engineer District Office.
John P. Echert served in the 393rd Bombardment Squadron.
