Jim Brandon who fought crime as the Avenger was a famous biochemist who perfected two inventions that aided him in the fight against crime: the telepathic indicator allowed him to pick up random thought flashes, and the secret diffusion capsule cloaked him in the “black light of invisibility”. The only person that shares his secrets and knew that he was The Avenger, the man feared by the underworld is his beautiful assistant Fern Collier.
Old time radio drama exists because of hobbyists and radio personnel, who rescued episodes of shows on transcription tapes and on glass or vinyl records. Some radio programs are presumed lost, primarily those from the 1930s – few programs from the 1920s were recorded