Mark
  • Member for 6 years, 5 months
  • Last seen more than 1 year ago
Information Security 33,912 rep 9 gold badges82 silver badges130 bronze badges
Worldbuilding 15,741 rep 1 gold badge40 silver badges77 bronze badges
Space Exploration 10,096 rep 35 silver badges49 bronze badges
Retrocomputing 8,274 rep 1 gold badge38 silver badges60 bronze badges
History 8,160 rep 1 gold badge29 silver badges60 bronze badges

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