'Ghostbusters' star  Harold Ramis has died. He was 69. 

Harold was also one of Hollywood's biggest comedy filmmakers. Harold's acting credits included the classic Ghostbusters and Stripes. He writing and directing credits also include Ground Hog Day, Caddyshack, National Lampoon's Animal HouseNational Lampoon's Vacation and Analyze This. He recently directed episodes on NBC's The Office. 

Harold passed away in his Chicago home from autoimmune inflammatory vasculitis. He was surrounded surrounded by family and friends.

Here's a look back at some of Harold's most famous work....