Poul Anderson,
The Sensitive Man
“ He laid the rifle down and folded his hands on top of his head. She walked behind him, down the slope toward the light, her submachine-gun at his back.As he walked he was building up a strength and speed no human ought to possess.One of the sentries pacing through the garden came to a halt. His rifle swung up, and the voice was a hysterical yammer: "Who goes?""It's me, Buck," cried Elena. "Don't get trigger-happy. I'm bringing in the prisoner.""Huh?"Dalgetty shuffled into the light and stood slumped, letting his jaw hang slack as if he were near falling with weariness. ”

