Broadcast: April 24, 1938

Starring: Orson Welles, Margot Stevenson, Ken Roberts, Rosa Rio, B.F. Goodrich Tires, F. Bourne Ruthrauff

Added: Apr 01 2022

Professor John Hardy has mysteriously disappeared. He was last seen entering a black limousine accompanied by a heavyset man with a Vandyke beard and a tall slender woman of foreign appearance. Secret agents are investigating the case due to the importance attached to the reported discovery by the professor of a new type of explosive more powerful than any known to munitions makers in any country in the world.