National Museum of Nuclear Science & History
Frank Fessenden worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Rex Edward Keller was a member of the Special Engineering Detachment, assigned to work in Seth Neddermeyer’s chemistry group at Los Alamos.
H. R. House worked for the Union Carbide & Carbon Corporation.
Groom worked at the 300 Area at Hanford during the Manhattan Project.
