Dean Martin | Martin Luther | Martin Scorsese | operating system | Ricky Martin | Super Nintendo Entertainment System | Nintendo Entertainment System | Martin Luther King, Jr. | Lockheed Martin | Martin | Android (operating system) | Steve Martin | Martin Sheen | Global Positioning System | St. Martin's Press | Solar System | Nick Cave | X Window System | Martin Heidegger | Blue Ridge Mountains | Martin Luther King | Oak Ridge National Laboratory | Max Martin | Oak Ridge, Tennessee | cave | Aston Martin | Paul Martin | Martin Lawrence | Martin Van Buren | Martin Luther King Jr. |
His student Alan Glennon discovered an entrance and made significant discoveries to the Martin Ridge Cave System, Kentucky (51.8 kilometers long).