[crutledge]

Randall Garrett (December 16, 1927 - December 31, 1987) was an American science fiction and fantasy author. He was a prolific contributor to Astounding and other science fiction magazines of the 1950s and 1960s. He instructed Robert Silverberg in the techniques of selling large quantities of action-adventure science fiction, and collaborated with him on two novels about Earth bringing civilization to an alien planet.

Excerpt
In a secluded section of a certain eastern state which must remain nameless, one may leave the main highway and travel up a winding road around tortuous bends and under huge scowling trees, into wooded country.
Upon a certain night—the date of which must remain vague—there came a man who faced and was not turned back by a series of psychological barriers along this road which made it more impregnable than a steel wall. These barriers, which had kept out a hundred years of curiosity-seekers until that certain night, were forged by the scientific magic of a genius on a planet far beyond the sun....