Henry Kuttner (1915–1958) American author
Source: The Time Axis (1949), Ch. 1 : Encounter In Rio (opening words)
Context: The whole thing never happened and I can prove it — now. But Ira De Kalb made me wait a billion years to write the story.
So we start with a paradox. But the strangest thing of all is that there are no real paradoxes involved, not one. This is a record of logic. Not human logic, of course, not the logic of this time or this space.