Mark Bourne was a film critic and science fiction writer whose work was published in Fantasy and Science Fiction magazine, Asimov's, and a number of anthologies. Mark was a renowned expert on classic sci-fi films and silent comedy. If he could have been anyone, it would have been Buster Keaton. Mark Bourne's criticism can be found on IMDB.
Mark Bourne has the following works available at Clarkesworld: