The Chronoscope is a device that analyses ancient photons to allow a glimpse into any event in Earth's distant past. Historian Arnold Potterley is rebuffed when he petitions for use of the Chronoscope to study ancient Carthage. So he commissions the building of a private time-viewing machine.
DirectorJohn Gorrie
WritersJeremy Paul, Isaac Asimov, Irene Shubik
