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Yeshayahu Leibowitz

Yeshayahu Leibowitz

1903 CE1994 CE · Modern · Riga

Yeshayahu Leibowitz (1903–1994) was one of the most distinctive and provocative Jewish thinkers of the twentieth century. Born in Riga and trained as a biochemist, philosopher, and physician in Berlin and Basel, he settled in Jerusalem in 1934 and taught at the Hebrew University for nearly sixty years.

Leibowitz argued that authentic Jewish faith consists exclusively in the unconditioned acceptance of halachic mitzvot — not in metaphysical doctrines, mystical experiences, or instrumental rewards. He was Orthodox in practice and radical in theology, warning against the deification of land, state, or people. His fierce critique of religious nationalism after 1967 (he coined the term 'Judeo-Nazis' for settler extremists) made him a controversial figure even among admirers, but his rigorous philosophical defense of mitzva-le-shma — service for its own sake — has had a lasting influence on contemporary Modern Orthodox thought.

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Stop 1 of 41903–1919Born

RigaריגהLatvia

What they did here

Born in Riga into a religious-Zionist family.

About Riga

Riga, the capital of Latvia, had a substantial Jewish community in the modern era and was a center of Jewish cultural and religious life in the Baltic. The Lubavitcher Rebbe Rabbi Yosef Yitzchak Schneersohn resided there for several years in the late 1920s before relocating his court; Riga was also the birthplace of the scholars Nechama and Yeshayahu Leibowitz.

In Riga at the same time

Nechama Leibowitz

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In the same place & time

Sages whose lives overlapped with Yeshayahu Leibowitz’s in the same cities, drawn from their recorded journeys.

The world in their lifetime

Thinkers and teachers of other traditions whose lives overlapped with Yeshayahu Leibowitz’s — a glimpse of the wider world they lived in. Drawn purely from recorded birth and death years.

Works(3)

Judaism, Human Values, and the Jewish Stateיהדות, עם יהודי ומדינת ישראל

Jerusalem · 1975

Collection of essays articulating his radical halachic philosophy and his critique of religious nationalism.

Full text not yet available in our corpus.

The Faith of Maimonidesאמונתו של הרמב"ם

Jerusalem · 1980

Concise philosophical reading of Rambam's negative theology and rigorous mitzva-centered religious life.

Full text not yet available in our corpus.

Influenced byRambamYeshayahu Leibowitz