Mark Bloch is a writer, artist, and archivist. He studied performance with Joan Jonas and Rachel Rosenthal in the late ’70s and Ray Johnson’s New York Correspondence School. He is the author of the book Robert Delford Brown: Meat, Maps, and Militant Metaphysics. He has written about art for The Brooklyn Rail, Paper Magazine, New Observations, Whitehot Magazine and ABCNews.com. New York University’s Downtown Collection houses the PAN (Postal Art Network) Archive, a vast collection of Bloch’s papers, including Mail Art and related ephemera.