“My concern is not with closed doors; my concern is with the doors that are open which we do not enter.”
— Ralph D. Winter, Unreached Peoples Missiologist
(December 8, 1924 – May 20, 2009)
Winter was a pioneer in the area of developing strategies to evangelize unreached people groups. He was a longtime professor at Fuller Theological Seminary, and the founder of the U.S. Center for World Mission (today known as Frontier Ventures), as well as the related William Carey International University.
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