H. G. Wells wrote the "War of the World" and it is Orson Welles who narrated on the radio as a character for "War of the World". I had looked in the first link I provided here and saw H. G. Wells first and didn't really read the rest of the story.
Radio Listeners in Panic, Taking War Drama as Fact
Orson Welles - Wikipedia, the free encyclopedia
Radio Listeners in Panic, Taking War Drama as Fact
Orson Welles - Wikipedia, the free encyclopedia