Given the task definition and input, reply with output. In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

This man used his most famous theory to explain the Holocaust during WWII and the My Lai massacre during the Vietnam conflict. He purported this theory in such works as the article "Nationality and Conformity" and Perils of Obedience. He conducted his studies of conformity with Solomon Asch before conducting his most famous experiment, whose details he analyzed in 1974's Obedience to Authority. FTP, identify this Yale psychologist whose namesake experiment involved electrically shocking the crap out of some people.
Social Science