National Museum of Nuclear Science & History
Porter worked in the 200 East and West Areas at Hanford during the Manhattan Project.
Harmon worked in the United States Engineer District Office.
William Kann was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Sidney Robinson (d. 1972) worked on the Manhattan Project in Chicago. He was from New York City, and attended City College.
Chambers worked at the 300 Area at Hanford during the Manhattan Project.