National Museum of Nuclear Science & History
Chaim Richman (1918-2017) was a Polish-American physicist. Richman was born in Tomasov-Rebelski, Poland.
Mary Fair worked as a lab assistant at the Metallurgical Lab at the University of Chicago. She was not sure of the purpose of her work, but often used radiation detecting devices in the experiments.
James R. Chapman was an engineer working for Stone & Webster when he was recruited to work on the Manhattan Project.