Quest of the Golden Ape
by Randall Garrett & Stephen Marlowe
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… .