Actor and director Harold Ramis walks the red carpet as he arrives to celebrate The Second City’s 50th anniversary in Chicago. (Jim Prisching/AP)

Legendary comedy director, writer and actor Harold Ramis died Monday at age 69 after a long illness, his wife confirmed to the Chicago Tribune.

Ramis was associated with many comedy classics of the ’70s and ’80s. He directed “Caddyshack” and “National Lampoon’s Vacation” and was a co-writer of “Animal House,” “Meatballs,” “Stripes” and “Ghostbusters.” He also co-wrote and directed 1993’s “Groundhog Day.” In more recent years, he lent his directing talents to Billy Crystal’s “Analyze This” and “Analyze That”; he also directed several episodes of NBC’s “The Office.”

After his death there was an immediate outpouring of memories and tributes on Twitter.

Here’s a sampling: