From the Milgram review, a series of experiments started in 1961, a "Instructor" as well as a "learner" were placed in two diverse rooms. The "learner" was connected to An electrical harness that could administer shock. The "Trainer" was explained to by a supervisor, wearing a white scientist's coat, to https://www.youtube.com/watch?v=L7G-dCBJQaY