Some theories of moral responsibility assert that whether a person is accountable for her behavior depends partly on facts about her personal history. Those who advocate such a “historicist” outlook often hold, for example, that people who unwillingly acquire morally corrupt dispositions are not blameworthy for the wrong actions that issue from these dispositions; this contention is frequently supported by thought experiments involving instances of forced psychological manipulation that seem to call responsibility into question. I argue here against the historicist perspective on moral responsibility and in favor of the conclusion that the process by which a person acquires values and dispositions is largely irrelevant to moral responsibili...