Or so he'd come to believe, after the years he'd spent experimenting upon others, and himself.

The answer is: Control the experiments and monitor the people who are experimented upon.

Your wife's parents were sent to Chal to be experimented upon.

Perhaps they had in mind experimenting upon them, like he had done with Conan.

The professionals have spoken and Gus is being experimented upon for his own good.

He watched as they experimented upon themselves, designing ever more intricate hybrids of man and machine.

I could not refrain, however, from experimenting upon the guests of the hotel, which I did when they were going in to dinner.

I have the greatest possible objection to experimenting upon living animals, but he described to me an experiment on pigeons.

This true view of life, namely, that experience in the divine life can only come to you through your being much experimented upon.

He had experimented upon and killed Special Forces soldiers.