National Museum of Nuclear Science & History
Ruth Hoffberg was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Jerry Grubaugh, Jr. served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Next Objective.
Samuel King Allison was an American physicist. Allison was born in Chicago, in 1900. He studied at the University of Chicago, receiving a Ph.
J. Fletcher, Jr. served in the 390th Air Service Group.
