Professor Augustus Van Dusen, the 'Thinking Machine,' is an eccentric scientist with superior mental powers, who insists that logic will solve any problem. He has an assistant, the clever newspaper reporter Hutchinson Hatch, who brings him cases. the escapades of Professor Van Dusen provide a splendid romp for all lovers of traditional mysteries. Produced by the award winning Colonial Radio Theatre on the Air, these two classic mysteries are presented with a full cast, sound effects, and music.

Includes:

• The Problem of Dressing Room "A"
• The Phantom Motor