Inventor Dan Davis falls into bad company and wakes up 30 years later, but he gets an idea of how to put things right even at this late point.
Denver in 1970 was a very quaint place with a fine old-fashioned flavor; I became very fond of it. It was nothing like the slick New Plan maze it had been (or would be) when I had arrived (or would arrive) there from Yuma; it still had less than two million people, there were still buses and other vehicular traffic in the streets—there were still streets; I had no trouble finding Colfax Avenue.

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  1. The Door Into Summer by Robert A. Heinlein, Magazine of Fantasy and Science Fiction, Oct-Dec 1956.
  2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . written by Robert A. Heinlein