National Museum of Nuclear Science & History
R. A. Mathews worked for the United States Engineer District Office.
J. O'Conner worked for the Midwest Piping and Supply Company.
Browne worked at the 100-D Area at Hanford during the Manhattan Project.
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.