National Museum of Nuclear Science & History
Beltzner worked at the 100-D Area at Hanford during the Manhattan Project.
Thomas C. Matson served in the 393rd Bombardment Squadron.
Roger Sr was a mechanical engineer having graduated from Stanford University during World War II. He and his wife, Katherine Barnes were recruited by the FBI who made contact with them at the Santa Fe training station when they were leaving town, after their honeymoon at Ghost Ranch.
Sherman Fried was a chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.