Ralph D WinterRalph D. Winter (December 8, 1924 - May 20, 2009) was an American missiologist and missionary who helped pioneer Theological Education by Extension, raised the debate about the role of the church and mission structures and became well known as the adocate for pioneer outreach among unreached people groups. He was the founder of the U.S. Center for World Mission (USCWM), William Carey International University, and the International Society for Frontier Missiology. Read More Read Less