Kathleen and Dan Spacklen developed one of the early computer chess programs, Sargon. The program, running on a Wavemate computer, won the first personal computer chess tournament. They continued to produce improved Sargon versions mainly on Apple computers. They also wrote Chess programming books for Hayden. They developed chess programs for Chess Challenger, an automated chess board game. They even programmed a chess program for SPARC. Eventually with the continued improvement in computer speeds and capabilities the demand for chess programs declined. This oral history provides an insight into how this married couple worked together for many years on a single idea, computer chess programming.