National Museum of Nuclear Science & History
S. A. Hindley worked for the J.A. Jones Construction Company.
Ralph Spicer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Daniel D. Friel was a chemical engineer for the DuPont Company who joined the Manhattan Project at the University of Chicago in 1943.
John A. Simpson Jr. (1916-2000) was a distinguished American nuclear physicist and astrophysicist. Simpson was born on November 3, 1916 in Portland, Oregon.
Borgel was at Los Alamos during the Manhattan Project.
