Jeopardy!

Shane Richman, Martha Raphelson, Paul Graff (1999x143)

Air date: Jul 20, 1999

Paul Graff, a hydrogeologist from Rockland, California; Martha Raphelson, a homemaker from Bloomfield Hills, Michigan; Shane Richman, a farmer from Scholls, Oregon (whose 1-day cash winnings total $6,000).