Gene Hunter

“ Kial frowned.
"I'm telling you about myself," Broyk went on, "I have also told you of a specific condition existing a period ahead of your own time. Remember the First Law?"
"Center!"
"We're marooned in the Twentieth Century. You have to accept it."
"But what will we do?" Kial's mind was reeling again.
"Since we've already broken the First Law," Broyk said, "we may just as well break the Second: 'No Thek-traveler may enter the body of a native of a foreign space-time ...'"
The young lovers kissed again and this time there seemed to be an added zest, even to their passionate embrace. ”

“ Kial said thoughtfully, calmer now, "and yet, this might really be a great age. In a way I almost envy you."
"Of course you do," Broyk said. "You have certain tendencies—they bother you, although you manage to hide them well. I discovered them when I took the liberty of telepathing you. Artificial Genetics isn't perfect, even in our time—perhaps because we originally sprang from man. Perhaps we'll never be quite perfect, because of that, even after thousands of periods of breeding."
Kial took another look at the loving young couple. "It—it might be fun, after all."
Broyk laughed. ”

“ I was a failure, but he took a fancy to me. I was allowed to mature secretly—few people knew of my existence. When I reached my majority my presence became dangerous and I was sent back into time to try and find the proper place for myself. ”