National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Lloyd J. Williams was a staff worker at Los Alamos during the Manhattan Project.
Hanisch worked at the 300 Area at Hanford during the Manhattan Project.
Bryant was born Aug. 23, 1903 on a farm in Simms, TX, one of seven children. He attended Jacksonville Baptist College.
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
