Halfdan Mahler, the Danish physician who served three five-year terms as Director-General of the World Health Organization, died last week in Geneva. Mahler may not be a household name, but he helped to fundamentally transform our collective notions of what global health is and should be. In this moment where WHO is undergoing its own re-examination of its priorities and programs, Mahler’s vision reminds us what could be. He also shows how...





