National Museum of Nuclear Science & History
McCullough worked in the 100 D Area at Hanford during the Manhattan Project.
Ray Genereaux, born in Seattle in 1902, a graduate of Stanford and Columbia, was design project manager for the chemical separation facilities at Hanford.
Frederick Howard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. J. Mack worked for the Edenfield Electric Company.