National Museum of Nuclear Science & History
MacDonald worked for Stone and Webster Engineering Corporation.
James B. Snodgrass was a member of the Mounted Military Police working on site security at Los Alamos and the Trinity test site.
Oscar L. Thetford served in the 1027th Air Material Squadron.
Dr. Henry Lewis Barnett was born in Detroit, Michigan in 1914. He earned a Bachelor of Science degree at Washington University in 1934, and his medical degree in 1938.
Attended the Carnegie Technical Institute.