Norman Spinrad, the noted science fiction author, penned two episodes of Star Trek for Gene Roddenberry, namely “The Doomsday Machine” and “He Walked Among Us,” the latter about a primitive race, the Jugali, inexplicably employing technology well beyond their capabilities. That first episode was produced, but “He Walked Among Us” – at Spinrad’s urging — went un-purchased and unproduced. And then the teleplay, along with that Captain’s Log, went missing… for 45 years.