A new series from Radio Diaries remembers controversial broadcasters in American history, including Joe Pyne, who paved the way for in-your-face radio hosts like Rush Limbaugh.

We can trace this style back to the shock jocks of the 1980s, like Howard Stern, or to in-your-face conservative talk show hosts, like Rush Limbaugh. Pyne began his career in the late 1940s as a ...