Broedt daar een mens?

"Breeds There a Man...?" is a science fiction short story by Isaac Asimov. It was first published in the June 1951 issue of Astounding and reprinted in the 1967 collection Through a Glass, Clearly and the 1969 collection Nightfall and Other Stories.

Elwood Ralson, a brilliant but psychologically disturbed physicist, becomes convinced that humanity is a kind of genetics experiment being run by an alien intelligence. His behaviour becomes more erratic and suicidal as his thoughts become more entrenched in this idea, and his health fails.