Heywood Sobel / Mar Vista, California, Engineer; Eileen Haarrsch / Denver, Colorado, Geologist; Brian Lipson / Woodland Hills, California, Student.
Cast Appearances
Episode Discussion
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Heywood Sobel / Mar Vista, California, Engineer; Eileen Haarrsch / Denver, Colorado, Geologist; Brian Lipson / Woodland Hills, California, Student.
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