Introduction: Perspectives on Individualism, Collectivism, and the Greater Good; D.R.Forsyth & C.L.Hoyt What Do Capuchin Monkeys Tell Us about Cooperation?; S.F.Brosnan Empathy-Induced Altruism: Friend or Foe of the Common Good?; C.D.Batson Cultural Neuroscience and the Collective Good; J.Y.Chiao, L.Hechtman & N.Pornpattananangkul A Brief History of Individualism in American Thought; E.Daniels Individualism, Collectivism, Leadership and the Greater Good; E.A.Locke Big Man, Big Heart? The Political Role of Aggrandizers in Egalitarian and Transegalitarian Societies; B.Hayden Resisting Machiavelli: Reducing Collective Harm in Conflict; N.J.Mitchell A Hippocratic Oath for Philanthropists; M.Moody Working for the Common Good: Individuals and Groups Address the Challenges Facing the World; M.Snyder