National Museum of Nuclear Science & History
Preston Veltman was an American chemist. Veltman was born in Grand Rapids, Michigan. He studied at Michigan Technological University, and earned a Ph.
George A. Ullrich was a chemist who performed analytical research at Clinton Laboratories in Oak Ridge, TN during the Manhattan Project.
Morgan worked for Stone and Webster Engineering Corporation.
Allan worked at the 200 West Area at Hanford during the Manhattan Project.