Chris Carlsson

Chris Carlsson is a writer, San Francisco historian, “professor,” bicyclist, tour guide, blogger, photographer, book and magazine designer. He has written two books (After the Deluge, Nowtopia) edited five books, and co-authored the expanded second edition of Vanished Waters: The History of San Francisco’s Mission Bay. He helped co-found Critical Mass in September 1992, and has ridden with Critical Mass rides in a dozen cities on three continents since then.