Syd Barrett was an art school student when he founded Pink Floyd. Famous before his twentieth birthday, Barrett led the charge of psychedelia onstage at London's famed UFO club, and his acid-inspired lyrics became a hallmark of London's 1967 Summer of Love. By turns improvisatory and whimsical, Zen-like and hard-living, Barrett pushed the boundaries of music into new realms of artistic expression while fighting the demons of drug abuse and mental...