The Grammy-nominated R&B and soul singer/songwriter, who became involved in local politics in Chicago later in life, reportedly had Parkinson's.

Jerry Butler, a premier soul singer of the 1960s and after whose rich, intimate baritone graced such hits as "For Your Precious Love," "Only the Strong Survive" and "Make It Easy On Yourself," has died at age 85.

Jerry "The Iceman" Butler died February 20 at 85. A Rock Hall of Fame inductee with The Impressions, he had a successful solo career and later entered politics.