Divorced his wife Linda when their daughter, Courtney Love, was 3 years
old.
Was roommates with Grateful Dead's bass player, Phil Lesh, in the 1960s. Also wrote a two-volume longitudinal study of Haight-Ashbury and Grateful Dead, titled "The Dead: Vols. I & II", the first "insider's" account of the Haight-Ashbury experience.
Was one of the programmers on the intial incept of Adobe's "PDF"
implementiation.