R. E. Petersen

L. Taylor Finlayson

Karl Walther

Karl Walther was a glassblower for Columbia University and Brookhaven National Laboratory. During the Manhattan Project, Walther worked as a senior glassblower at the Nash Garage Building at Columbia, where scientists developed the gaseous diffusion process.

David Hawkins

David Hawkins (1913-2002) was an administrative aide at Los Alamos and the Manhattan Project’s official historian.

Marion C. Fowler, Jr.

Marion C. Fowler, Jr. served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Next Objective.