John Steele, Adventurer is a radio show that first aired in 1949 and is known for its thriller and drama elements. The show featured Don Douglas as John Steele, a roving adventurer and thrill seeker who held various jobs in exotic locations such as country sheriff, special agent in Turkey, and ship's captain. Narrated by a friend of Steele's, the series included eerie background sounds of jungles and deserts, with hard and fast-paced action stories that appeared to be inspired by popular action magazines like All-Story and Argosy. The show deployed innovative techniques such as using an echo chamber to represent a character's thoughts instead of spoken words, adding to the moving and adventurous tone of the series.

The show made its debut on the Mutual Broadcasting System in 1949 and continued until 1956. Though not considered a major force in the world of radio, it offered great entertainment and gathered a loyal fan following. The series featured notable actors such as John Larkin, Jack Edwards, and Bryna Raeburn in supporting roles, along with announcer Ted Mallie and directors Elliot Drake, Sylvan Levin, and Doc Whipple. John Steele, Adventurer's legacy lives on as an engaging, adventure-filled radio show that captivated audiences during its time on air.

Sources: archive.org, wikipedia.org, otrcat.com