MP4 : Prof. Dr. Lester M. Salamon, Director of the Johns Hopkins Center for Civil Society Studies, USAFLV : Prof. Dr. Lester M. Salamon, Director of the Johns Hopkins Center for Civil Society Studies, USAMP4 FOR IPOD (edge) : Prof. Dr. Lester M. Salamon, Director of the Johns Hopkins Center for Civil Society Studies, USAMP3 : Prof. Dr. Lester M. Salamon, Director of the Johns Hopkins Center for Civil Society Studies, USA