I. P. Grill

James A. O’Brien

Robert F. Williams

Williams worked for Stone and Webster Engineering Corporation.

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.

Marshall E. Slayden, Jr.