National Museum of Nuclear Science & History
Trumper worked for Stone and Webster Engineering Corporation.
Stanley worked at the 300 Area at Hanford during the Manhattan Project.
Preston Veltman was an American chemist. Veltman was born in Grand Rapids, Michigan. He studied at Michigan Technological University, and earned a Ph.
B. B. Shaeffer worked for the Roane-Anderson Company.
Otto Hillig was a Danish machinist who helped work on various projects in the early days of the Manhattan Project.
