National Museum of Nuclear Science & History
Richard A. Bice was an engineer. He joined the Manhattan Project at Los Alamos in 1944, rising to become the alternate Group Leader in X-Division.
Frank Pratt worked for the J.A. Jones Construction Company.
J. J. Morrissey worked for the United States Engineer District Office.
Delmar Russell worked for the United States Engineer District Office. He arrived in February 1943.