National Museum of Nuclear Science & History
J. D. Brown worked for the Watson-Flagg Engineering Company.
Underwood worked at the 200 West Area at Hanford during the Manhattan Project.
Ledbetter worked in the 200 East Area at Hanford during the Manhattan Project.
John Attanas was born in 1920 and grew up on farm near Kingston, New York. After graduating from Georgia Tech in 1942 with a degree in chemical engineering, he worked in a chemistry lab at the Remington Arms Company.
