National Museum of Nuclear Science & History
Robert Penneman was an American chemist. Penneman was born in 1919 in Springfield, Illinois. He received a B.
G. Robert Gunther-Mohr joined the Manhattan Project in 1944. Mohr worked on the top secret polonium trigger being developed for the plutonium bomb at the Monsanto Chemical Company in Dayton, Ohio.
Ralph W. Lunn served in the 603rd Air Engineering Squadron.
