Story summary.Gallaghar wakes up from his yet another drinking bout to find a series of curiosities - 3 rabbit-like Martians ("Lybblas") from 500 years into future who want to conquer earth, a time machine focused on his backyard that cannot be turned off & that he apparently invented when his genius unconscious was in control, & a series of corpses of himself from future each with a ray gun hole through his chest.
The story is about putting the puzzle together, inventing a couple of other gadgets along the way.
Fact sheet.First published: Astounding, June 1943.
Download full text as part of the scans of the magazine it originally appeared in.
Among the stories from Astounding/Analog issues edited by John Campbell.
Related: Stories of Henry Kuttner, C L Moore (as by Lewis Padgett).