National Museum of Nuclear Science & History
Monroe Feder was born on February 19, 1919 in Irvington, New Jersey. In 1943, he graduated from New York University.
Browning worked at Los Alamos during the Manhattan Project.
Edward Smith was a chemical engineer employed by the civilian contractor Eastman Kodak at the K-25 Plant in Oak Ridge, Tennessee.
Byron Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.