Mac Bielecki

Celia Hester

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.

G. F. Brown

G. F. Brown worked for the Union Carbide & Carbon Corporation.

Seymour J. Ratner

Seymour Ratner was a staff worker at Los Alamos during the Manhattan Project.