National Park Service Mellon Humanities Postdoctoral Fellowship Program The National Park Service (NPS), the National Park Foundation (NPF), and American Conservation Experience (ACE) invite scholars who received their doctorate within the last five years to apply for a two-year NPS Mellon Humanities Postdoctoral Fellowship. This opportunity is generously supported by a grant from The Mellon Foundation. The National Park Service (NPS) Mellon Humanities Postdoctoral Fellowship Program places recent humanities PhDs with NPS sites and programs across the agency. In collaboration with NPS staff and partners, the incoming cohort of Mellon Humanities Fellows will complete original research projects, and develop new interpreti