"Doorway to Destruction" by Garold S. Hatfield is a science fiction story written in the early 1940s. The narrative revolves around a scientist named Kelvin Martin, who has created a machine capable of warping into other universes but is now imprisoned by his greedy assistant, Jon Vance. The themes explored include the dangers of ambition, greed, and the unforeseen consequences of technology. In the story, Kelvin Martin finds himself tied up and helpless as Vance prepares to use the machine to access a perilous alien world inhabited by cruel beings. Despite pleading for Vance to abandon his plans, Martin knows that if the machine is used recklessly, it could lead to Earth's destruction. As Vance activates the machine, Martin's desperation leads him to remember key scientific principles that suggest the catastrophic potential of their actions. The tension builds as Martin anxiously awaits the return of the machine from the other universe, knowing that if it comes back with those alien creatures, it could spell disaster for humanity. The tale concludes with a moment of suspense as the machine returns, setting the stage for confrontation and calamity. (This is an automatically generated summary.)