National Museum of Nuclear Science & History
E. C. McAdoo worked for the Roane-Anderson Company.
Calderwood worked at the 200 East 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.
Hebert worked at the 300 Area at Hanford during the Manhattan Project.
