“[Passage Through] required the most exacting editing process ever; and in the course of that work it occurred to me that I’d originally made 'The Riddle of Lumen' hoping someone would make an ‘answering’ film and entertain my visual riddle in the manner of the riddling poets of yore. I most expected Hollis Frampton (because of 'Zorns Lemma') to pick up the challenge; but he never did. In some sense... see more