After an accident at a temporal research facility in Idaho, a manlike monster known as John Delgano shows up for half a seoncd once a year at the same time and place.
As early as the 1930s, stories have addressed the issue of the
Earth moving to a different position when a time traveler moves through time. This story addresses the issue by saying that the time traveler appears only once per year, but that doesn't really solve the problem for so many reasons, starting with the fact that a given position on the surface of the Earth will not be at “the same” position in the subsequent year.
—Michael Main I sat down. “Give me the potion,” I said. “If the worst comes to the worst it will save having my hair cut, and that I think is one of the most hateful duties of a civilized man. How do you take the mixture?”
