A. St. John D. Caldera
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Professor A. St. John D. Caldera was a neurologist whose mind was stolen by Skagra at the Think Tank space station. He died in the destruction of the station. (DW: Shada)
Notes
- Caldera was addressed as 'Professor' by Skagra. (WC: Shada, BFA: Shada)
- In the novelisation, Caldera becomes a woman, Daphne Caldera (DWN: Shada)
- A caldera is a sunken area left behind by a volcanic eruption. The names of Caldera and the other Think Tank scientists are all derived from locations or geographical features associated with the volcanic Greek island Santorini.