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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 – and also carrying mission thinking into the future!

We collect, curate, and share original works from key figures in missiology—making them available to scholars, students, and curious readers around the world. We also pursue rigorous original research projects that help us better understand what is happening on the emerging frontiers of mission. Learn more about how the Center began and what drives our work today.

Plan Your Visit to the Research Center

We welcome guests who want to explore our library and archives in person. Get directions, hours, and details on how to schedule your visit.

Featured Collections

A quick look at some of the key archives and sets of material available through the Center.
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Mission Frontiers  Tokyo 2010 Why It Still Matters MAY/JUNE 2020 Issue 42.3  04 Editorial: A Church Prepared for the Worst…

Ralph D. Winter died on May 20, 2009. Over the next days, we collected a number of tributes from leaders…

Mission Frontiers  Perspectives Turns 50 MAY/AUGUST 2024 Issue 46.3-4  04 Editorial: History in the Making by Sue Patt 08 A…

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.