In 1991, Dr. Makadon and Mr. Lesser worked together again to add a large living room, deck and bathroom on the ground floor, plus a makeshift guest bedroom, screened porch and bathroom in the walkout basement.

WSJ: Luxury Real Estate: A Clear Merger of Equals

In the basement, there's a large screening room that seats 16 people plus a lounge with a bar, a gym and a playroom.

WSJ: Large Yellowstone Club Montana Ranch Goes on the Market for $26.5 Million��WSJ Private Properties