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

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