William Gurstelle (born March 29, 1956) is an American nonfiction author, magazine writer, and inventor. He is a feature columnist for "Make" magazine and a columnist and contributing editor at "Popular Science" magazine. Previously, he was the Pyrotechnics and Ballistics Editor at "Popular Mechanics" magazine.
William Gurstelle (born March 29, 1956) is an American nonfiction author, magazine writer, and inventor who is a feature columnist for "Make" magazine and a columnist to another science magazine.