Scope and Contents This collection consists of football grid graphs created by John J. McGrath while listening to radio broadcasts of Notre Dame football games. McGrath took notes during the game and charted the action on the field as described by the announcers. He recorded and described each play of the game on a football-field shaped diagram, using arrows, lines, and descriptive notes.McGrath’s grid graphs typically went through several phases. The grid graphs started from notes and diagrams...