Story perspectives

Rabbi Kaplan's Reforms Reshape American Judaism, Defy Tradition

4/6/2026

Summary

Story summary

Rabbi Mordecai M. Kaplan published The New Haggadah in 1941, omitting traditional elements but including Moses to modernize Judaism.
He founded the Reconstructionist movement, emphasizing unity and adapting Jewish practices.
Traditionalists excommunicated Kaplan, reflecting resistance to his reforms.
Despite setbacks, his influence grew as he advocated for Jewish peoplehood and redefined religious authority.
His biography, Mordecai M. Kaplan: Restless Soul, documents his lasting impact on American Judaism.

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Story summary

Rabbi Mordecai M. Kaplan published The New Haggadah in 1941, omitting traditional elements but including Moses to modernize Judaism.
He founded the Reconstructionist movement, emphasizing unity and adapting Jewish practices.
Traditionalists excommunicated Kaplan, reflecting resistance to his reforms.
Despite setbacks, his influence grew as he advocated for Jewish peoplehood and redefined religious authority.
His biography, Mordecai M. Kaplan: Restless Soul, documents his lasting impact on American Judaism.