ผู้เขียน: Gregory R. Witkowski

Gregory R. Witkowski is a Senior Lecturer of nonprofit management and affiliate faculty at the National Center for Disaster Preparedness at Columbia University. He is the author of The Campaign State: Mobilizing the Masses in East Germany, 1945–89, and editor (with Arnd Bauerkaemper) of Germany Philanthropy in Transatlantic Perspective: Perceptions, Exchanges, Transfers.