Conversation so far:
What happened in 2012 with Ric Flair?
On March 31, 2012, while still contracted to TNA, Ric Flair became the first person to be inducted into the WWE Hall of Fame twice.
Why was Ric Flair inducted two times into the WWE Hall of Fame?
Ric Flair's second time inducted into  WWE Hall of Fame was part of the class of 2012 with The Four Horsemen.

Question: Who were the other members of the Four Horsemen?
Self-contained rewrite: Who were the other members of the Four Horsemen of professional wrestling besides Ric Flair?