National Museum of Nuclear Science & History
T. H. Berry worked for the Edenfield Electric Company.
Willard Clark was born in Boston in 1910, but grew up in Buenos Aires, Argentina, where his father was President of the General Motors Argentina Branch.
Coffey worked at the 300 Area at Hanford during the Manhattan Project.
P. A. Dahlen worked at the 100-D Area at Hanford during the Manhattan Project.