National Museum of Nuclear Science & History
Harold Evans was an American chemist. Evans was born in 1907 in Brazil, Indiana. He received a B.S. and an M.
Edward Czuba was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Johnson worked for Stone and Webster Engineering Corporation.
Smith worked at the 200 West Area at Hanford during the Manhattan Project.
