National Museum of Nuclear Science & History
Keith Williams worked for the Keith Williams Company.
Eugenia M. Jackson was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. E. McLeroy, Jr. worked for the Comstock-Bryant Electric Company.
Leslie Seward worked for the United States Engineer District Office.
Jay Wechsler enlisted in the Army in 1943 and spent several months at Oak Ridge working as an Army construction engineer, In the winter of 1943, he was suddenly transferred to Los Alamos, where he began working directly with Otto Frisch.