A 1973 letter from Star Trek creator Gene Roddenberry to a fan is worth reading. He explains that Trek had no "magic formula" other than focusing on people. And Spock looked like the Devil because it was "provocative to women."
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Dr Emilio Lizardo
"...you make your science fiction the same way you make any other good story and there are no shortcuts. "
37 years and so many people still have trouble with this lesson.