Dragnet was a popular long-running radio and television police drama about the cases of a dedicated Los Angeles police detective, Sergeant Joe Friday and his partner Frank Smith. The show takes its name from an actual police term, a dragnet for any system of coordinated measures for apprehending criminals or suspects.

More on the series:
http://www.badge714.com/

"Jack" Webb born April 2, 1920 Died December 23, 1982. He was an American actor, television producer, director, and writer who is most famous for his role as Detective Joe Friday in the radio and television series Dragnet. (aka Badge 714 in syndication).
More on Jack Webb:
http://www.museum.tv/archives/etv/W/htmlW/webbjack/webbjack.htm

The Aldrich Family, a popular radio teenage situation comedy (1939-1953), is remembered by Henry's mother calling, "Hen-reeeeeeeeeeeee! Hen-ree Al-drich!" A ratings hit within two years of its birth in 1941. The show is considered a prototype for teen-oriented situation comedies to come later on radio and television. Ezra Stone was the first actor to portray Henry Aldrich, the inept teenager.

Radio reporter Herbert Morrison describes the explosion of the Hindenburg May 6, 1937

http://web1.caryacademy.org/chemistry/rushin/StudentProjects/CompoundWebSites/2000/Hydrogen/hindenburg_crash.htm