Conversation so far:
who is the cast of welcome back kotter
The cast of Welcome Back Kotter includes: Gabe Kaplan, Robert Hegyes, Lawrence Hilton-Jacobs, Marcia Strassman, John Sylvester White, Ron Palillo, John Travolta, and Stephen Shortridge.
Is Welcome Back Kotter popular
Welcome Back, Kotter was wildly popular during its years on the air from 1975 to 1979.

Question: Who created the show
Self-contained rewrite: Who created Welcome Back Kotter