Task: Text Categorization
Input (English): The apparatus which he used was marked as a "type ZLB" product of the Dyson Instrument Company of Waltham, Massachusetts. He arranged thirty switches in seven labeled groups of four and two marked XXX. Claiming that his goal was to test the effect of punishment on associative learning, he had "teachers" operate the machine. Nearly all "teacher" subjects continued to increase voltage even after the actor pretending to be the "learner" cried out in pain. FTP, name this man who designed the obedience experiment thus described.
Output (English): Social Science