Lieutenant Colonel Dave Grossman is a retired Professor of Military Science at Arkansas State University and author of several books on the subject of the psychology of killing. This includes Stop Teaching Our Kids to Kill: A Call to Action Against TV, Movie and Video Game Violence. Another Dave Grossman is a writer, game programmer and game designer, most notable for his work on LucasArts' point-and-click adventure games The Secret of Monkey Island, Monkey Island 2: LeChuck's Revenge and Day of the Tentacle, and more recently various adventure games developed by Telltale Games.