Via Boing Boing: ‘Ben Marks explores the history of the psychedelic rock poster.’ Marks is a serious scholar and collector of San Francisco rock poster art and curator of a major exhibit that is now hanging at SFO. This article fascinated me, as someone who is just nuts about this genre of graphics. I had a sizable collection of originals myself, and I have long been kicking myself for losing track of most of my collection in moves over the years. (My brother may have them in storage somewhere…) My favorite artist of the genre? Rick Griffin, without a doubt. Gotta pass through San Francisco while the exhibit is still up…