"Jack Armstrong, The All American Boy," started in 1933 and had its initial broadcast on WBBM, an AM radio station in Chicago, Illinois. It was later on aired on CBS, then in NBC, and eventually on ABC.
The story revolved around the adventures of Jack Armstrong, a popular student of the Hudson High School, along with the Fairfield siblings Billy and Betty, and their Uncle James Fairfield. Often, James would go to the different parts of the world for some business affairs, taking all three with him. In their adventures, they often provided facts about the places they would visit.
Due to its popularity, TV shows and film adaptations were made from this radio series.