Joon Pahk Vs. Katie Proctor Vs. Leigh Wishner, show # 6158.

Contestants: Ryan Nelson, a law student originally from Tampa, Florida Tom Jennings, a maintenance mechanic from Philadelphia, Pennsylvania Gitta Neufeld, a Judaic teacher trainer from Far Rockaway, New York (whose 1-day cash winnings total $18,300) IBM Challenge mini-documentary: "What is a Grand Challenge?"