An attorney for Harold Ramis confirmed Monday the popular actor/director/writer has died. He was 69
Reaction from celebrities started to flood in immediately when word of Ramis' passing started to spread on the internet.
According to Biography.com, Ramis co-wrote "Ghostbusters," in which he appeared with fellow Second City alums Dan Aykroyd and Bill Murray.
The website says he also co-wrote "National Lampoon's Animal House" and "Meatballs" and directed such films as "Caddyshack" and "Groundhog Day."
>>Read more about Harold Ramis' death — Story
>>The films of Harold Ramis — Photos
>>Harold Ramis through the years — Photos
Read twitter reactions from celebrites