M. E. Brown

Harvey Matthioson

Harvey Matthioson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

R. E. Donnell

E. T. O’Conner

E. T. O'Conner worked for the Roane-Anderson Company.

Saul Efron

Saul Efron worked for the Roane-Anderson Company.