The world’s first time traveler, Simeon Weill, goes back to 1925 and gives some ideas to Hugo.
That the first inventor of a workable time machine was a science fiction enthusiast is by no means a coincidence.

Variants

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  1. “Birth of a Notion” by Isaac Asimov, in Amazing, April 1976.
  2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . written by Isaac Asimov