The onetime MCA publicity exec and three others launched the agency in 1962.
Harvey Litwin, the former MCA publicity executive who co-founded the Agency for the Performing Arts, died Dec. 16 of heart failure in New York City. He was 89.
"I will truly miss my dear friend and mentor," APA CEO Jim Gosnell said in a statement. "Harvey was an extraordinarily generous and passionate man with a big heart. He was like an uncle to me and remained so very true and helpful to our company long after he retired. All of us at APA stand on the shoulders of our original founders, without whom we wouldn't be here today."