Ramis worked on many other films as writer and director in his career including Caddyshack, Groundhog Day, Analyze This and Animal House, making a huge impact in Hollywood.
Billy Crystal wrote on Twitter: "Sad to hear my friend Harold Ramis passed away. A brilliant, funny, actor and director. A wonderful husband and dad. Big loss to us all."
Steven Martin tweeted: "So sorry to hear about the death of Harold Ramis, a comedy master. Ghostbusters, Groundhog Day, and more."
Film director Ron Howard also paid tribute, saying: "Harold Ramis RIP. no one could ever top him in terms of somehow being Cool & off-the-charts creative and incredibly kind & gracious. (sic)"
Some of Ramis' last work was directing episodes of the US version of
The Office
, prompting one of the show's stars, Rainn Wilson to write: "Was honoured to have gotten to work with Harold Ramis, the Buddha of Comedy. Brilliant, humble, radiant. We've lost an icon."
Another one of the show's former stars, Steve Carell, wrote: "Harold Ramis. Funny, gracious, kind hearted. A joy to have known you."
Ramis is survived by his wife, Erica Mann Ramis, their two sons, Julian and Daniel as well as his daughter, Violet Ramis, with former spouse Anne Plotkin.
- Bang! Showbiz