National Museum of Nuclear Science & History
Sidney Yenny was a staff worker at Los Alamos during the Manhattan Project.
M. B. Cooley worked for the J.A. Jones Construction Company.
Edith King worked on the Manhattan Project at Los Alamos. She and her husband, L. D. P. King, were good friends of Edith Warner and frequented Warner’s tea room.
Saul Efron worked for the Roane-Anderson Company.