Obviously the man was dying, and there was no chance that he ever would be discovered. I blessed the carelessness that had caused me to set the space-time dials a little off when I began this journey to the distant past. I had come to this barbaric era in the proper time, indeed, but millions of miles removed from it in space. It had been only after an annoying search that I had discovered Earth, jetted toward it in my space-drive suit and had come down out of the skies to land on this tiny, deserted island in the middle of an empty sea. But it was incredible luck that had brought me there. For I had found exactly what I needed—a man who would give me information, clothing and an identity—and then die, and obliterate the record of my interference with the course of events! I, Thom Ra, walked toward him. Feeble though he was, he opened his eyes and stared at me. "Thank Heaven!" he whispered, in the thick, hideous language of that era. "I couldn't have lasted much longer if you hadn't found me." He fell back and smiled at me with heartfelt gratitude, and for a moment I felt a wild, fleeting impulse to help him, to save his life. But of course, I dared not interfere. For that would change the shape of the future, and that meant destruction for me.... When I blasted off from the island, a little later, he was dead, and I was wearing his uniform—and his name. He gave me information before he died, and I had no trouble locating the spot I wanted. I waited till dark before landing a few hundred yards from the war-dome. Then I hid my space-drive suit in a cluster of ancient trees, and walked into the building that housed the most murderous weapon of all time. The sentry challenged me, of course, but I was ready for him. After a quick look at my stolen credentials he sheathed his ray pistol. "Pass, sir," he said, and I walked in, no longer as Thom Ra, but identified as a Captain San Requa of the Intelligence Service. At once I saw the atom-rocket. It was on the other side of the great chamber, nestled in a wheeled cradle, ready to be rolled out to the blast-off point. Hurrying technicians swarmed about it with last-minute checks. I walked over, saluted the officer who was supervising and began to witness events which I had crossed so tremendous a span of years to observe. The atom-rocket was a long, silvery torpedo, a cluster of tubes at the rear, a snub-nosed warhead at the front. A panel in the side of it was open, and technicians were setting dials according to the figures read off by a white-haired old officer with the insignia of a general on his collar...
Science fiction & fantasy