John B. Riddle

Andrei D. Sakharov

Andrei Dmitrievich Sakharov (1921-1989) was a Soviet nuclear physicist. Often called the “father of the Soviet hydrogen bomb,” he later became a human rights activist and won the 1975 Nobel Peace Prize.

Ella “Jo” Littleton

Ella "Jo" Littleton Baskette worked on the Manhattan Project in Oak Ridge, Tennessee at the Y-12 Plant.

Arthur H. Nelson

Thomas H. Cowley

Thomas Cowley was a Military Policeman assigned to Post Security at Los Alamos, New Mexico during the Manhattan Project.