Richard Gluck

George E. Meyers

George Meyers was a glassblower at the SAM Laboratory at Columbia University. He was only a teenager, but had a talent for glass blowing by hand that was needed by Columbia's scientists.

J. W. Hoover

J. W. Hoover worked for the Edenfield Electric Company.

M.J. Rassmussen

H. F. Zimmerman

H. F. Zimmerman worked for the J.A. Jones Construction Company.