Singer Jerry Butler, aka The Iceman. His 1969 hit, “Only the Strong Survive,” is a rhythm and blues classic, and also the title of his new autobiography: “Only the Strong Survive: Memoirs of a Soul Survivor” (Indiana University Press) Butler founded the vocal group The Impressions as well as having a successful solo career. His awareness of civil rights led him to politics, and he is serving his fourth term on the Cook County Board of Commissioners in Chicago. The book was written with Earl Smith, Butler’s brother-in-law and a journalist.