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1705 N Sierra Bonita Ave, Pasadena, CA, 91104
Ralph D Winter
Research Center
The past and future of Mission, especially on the frontiers.
Ralph Winter pushed the edges of missiological discussion, but stayed rooted in Christ and his Kingdom. We follow in that tradition.

What is the Ralph D. Winter Research Center?

Our work is rooted in preserving the ideas, stories, and materials that have shaped global mission thinking.

We collect, curate, and share original works from key figures in missiology—making them available to scholars, students, and curious readers around the world. Learn more about how the Center began and what drives our work today.

Plan Your Visit to the Research Center

We welcome guests by appointment to explore the archives in person. Get directions, hours, and details on how to schedule your visit.
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Featured Collections

A quick look at some of the key archives and sets of material available through the Center.
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Help us preserve and share missiological history.

Whether you’re a researcher, student, or just passionate about mission work—there’s a way to contribute. Your support helps us maintain the archives, grow the collection, and continue serving a global audience. Volunteer, give, or help spread the word.

Latest Posts

The newest thinking, updates, and reflections from our team and contributors.

Fresh content from the Center—ranging from archival insights to ongoing missiological conversations. This is where you’ll find our latest articles, research updates, and staff reflections.