This volume is a collection of original essays prepared by colleagues, collaborators, and former students on the occasion of Helmut K. Anheier's 65th birthday and retirement from the University of Heidelberg. An internationally recognized pioneer of nonprofit and civil society studies, Anheier focused his work on providing clarity around (1) civil society, local and global, observing its origins and trajectory and developing theories to explain it; (2) the nonprofit sector and institutions within and extending from it, including nonprofit organizations, philanthropy and social investment; and...