Diagnostic Procedures in Tuberculosis 1940

Kendall Emerson

Himself - Managing Director of the National Tuberculosis Association

Edgar Mayer

Himself - Assistant Professor of Medicine, Cornell University Medical School

Ralph S. Muckenfuss

Himself - Director of the Bureau of Laboratories, New York City Department of Health

Esmond Ong

Himself - Director of the Henry Phipps Institute

Edgar G. Ulmer

Director