Izzy´s eBook Library - Shock by Henry Kuttner, Catherine Lucile Moore

Shock
Author: Henry Kuttner

One fine day, Manning Gregg, the physicist, was at home & saw a hole suddenly appearing in his apartment's wall - a hole from which emerged a curious-looking man! This is the man from future, & he's looking for something in our time.

As Halison, the future man, goes out on his quest, Gregg cannot curb his curiosity to check out the future - so he crawls through the hole to future, to eventually find to his horror that…

(Variety-SF)