The complexities involved in social dilemmas and ecological troubles today challenge scientists to conduct analyses of cultural phenomena that push the boundaries of disciplines and blur the line between theory and practice. Problems are not so much to be solved as they are to be explained, predicted, and navigated. Luther P. Gerlach, Ph.D., Professor Emeritus of Anthropology at the University of Minnesota, has exercised immense influence on social science, policy, and practice to accomplish these challenges.