The Shadow Knows what evil lurks... Lamont Cranston

The Shadow debuted on CBS Radio, July 31, 1930, as the mysterious narrator of the Street and Smith radio program Detective Story Hour. The series was later heard on The Mutual Radio network with Orson Welles. After gaining popularity among the show's listeners, the narrator became the star of The Shadow Magazine on April 1, 1931, a pulp series created and primarily written by the prolific Gibson.

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