National Museum of Nuclear Science & History
John Chipman was an American engineer. Chipman was born in 1897 in Tallahassee, Florida. He received B.
Thomas J. Weimer served in the 393rd Bombardment Squadron.
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.
