National Museum of Nuclear Science & History
L. C. Manheimer worked for the Roane-Anderson Company.
J. A. Drake worked for the J.A. Jones Construction Company.
Otto Frisch (1904-1979) was an Austrian-born physicist. Frisch joined the Manhattan Project in 1943, but his most important contribution to the project came in 1940 in England.
N. J. Johnson worked for Hanley & Company.
Harriet Lysaght worked for the Tennessee Eastman Corporation at the Y-12 Plant.