John Dyson was the supervising engineer stationed at the Snowcap South Pole Base in December 1986.
He, Barclay and Ben Jackson used radiation against the Cybermen. (TV: The Tenth Planet)
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John Dyson was the supervising engineer stationed at the Snowcap South Pole Base in December 1986.
He, Barclay and Ben Jackson used radiation against the Cybermen. (TV: The Tenth Planet)
