Sa'adiah ben Yosef Gaon, ("Sa`īd bin Yūsuf al-Fayyūmi"); was a prominent rabbi, Jewish philosopher, and exegete of the geonic period. Saadia is known for his works on Hebrew linguistics, Halakha, and Jewish philosophy. In his philosophical work "Emunot v'Dayot" is represented the first systematic attempt to integrate Jewish theology with components of Greek philosophy. Saadia was also very active in opposition to Karaism, in defense of rabbinic Judaism.

Joseph Ber (Yosef Dov, Yoshe Ber) Soloveitchik (1903 - 1993) was an American Orthodox rabbi, Talmudist and modern Jewish philosopher. He was the descendant of the Lithuanian Jewish Soloveitchik rabbinic dynasty. As "Rosh Yeshiva" of Rabbi Isaac Elchanan Theological Seminary at Yeshiva University in New York City, The Rav, as he came to be known, ordained close to 2,000 rabbis over the course of almost half a century.

Rabbi Dr. Norman ("Nachum") Lamm, (born 1927 in Brooklyn, New York, United States), is a major American Modern Orthodox Jewish communal leader. He is presently the Chancellor of Yeshiva University. He was the third President of Yeshiva University (YU), and the first to be born in the USA. He also holds a Ph.D. in Jewish philosophy. He is a disciple of Rabbi Joseph Soloveitchik (Modern Orthodoxy's most influential scholar), …

Isadore Twersky (a.k.a. Yitzhak Twersky) (1930-October 12, 1997) was the "Nathan Littauer Professor of Hebrew Literature and Philosophy" at Harvard University, a chair previously held by the illustrious Harry Austryn Wolfson. Twersky was an internationally recognized authority on Rabbinic literature and Jewish philosophy. He was especially known as an expert in the writings and influence of the 12th-century Jewish legalist and philosopher Maimonides.

Rabbi Shalom Carmy is a tenured professor of Jewish Studies and Jewish philosophy at Yeshiva University. A Brooklyn native, he is a prominent Modern Orthodox theologian, historian, and philosopher. He received his B.A. and M.S. from Yeshiva University, and received his rabbinic ordination from its affiliated Rabbi Isaac Elchanan Theological Seminary. Carmy has written many articles; he is the editor of "Tradition: A Journal of Orthodox Thought", …

Moshe Chaim Luzzatto (1707-1746 (26 "Iyar" 5506)), also known by the Hebrew acronym RaMCHaL (or RaMHaL, רמח"ל), was a prominent Italian Jewish rabbi, kabbalist, and philosopher best remembered today for his ethical treatise "Mesillat Yesharim" (Path of the Just).

Judith Butler (born February 24, 1956) is an American post-structuralist philosopher who has contributed to the fields of feminism, queer theory, political philosophy, and ethics. She is the Maxine Elliot professor in the Departments of Rhetoric and Comparative Literature at the University of California, Berkeley and the present chair of the Rhetoric Department. Butler received her Ph.D. in philosophy from Yale University in 1984, …

Harry Austryn Wolfson was a scholar, philosopher, and historian at Harvard University, the first chairman of a Judaic Studies Department in the United States. He is best known for his seminal work on the Jewish philosopher Philo, but was the author of an astonishing variety and quantity of other works on Crescas, Averroes, Spinoza, the Kalam, the Church Fathers, and the foundations of Western religion.

Tamar Ross is a professor of Jewish Philosophy at Bar Ilan University. She has scholarly expertise in the thought of Abraham Isaac Kook, the modern Musar movement and the ideology of Mitnaggedism, and Judaism and gender. She is the author of books and articles on Jewish ethics and theology, contemporary issues in traditional Jewish thought, philosophy of halakha, and Orthodox Jewish feminism.

Judah Lew ben Bezalel ("Judah Loew son of Bezalel", also written as Yehudah ben Bezalel Levai [or Loew], 1525 - 17 September 1609 or 18 Elul 5369 according to the Hebrew calendar) was an important Talmudic scholar, Jewish mystic, and philosopher who served as a leading rabbi in Prague (now in the Czech Republic) for most of his life. He is widely known to scholars of Judaism as the Maharal of Prague, …

Isaac Albalag was a Jewish philosopher of the second half of the 13th century.

Dov Ber Pinson (~1971) is an author, lecturer, and scholar of Jewish philosophy and mysticism. He is Rosh Yeshiva of "The Yeshiva", a Yeshiva for adults. He is also the founder of the "Iyyun" Institute, a center for Jewish enrichment in Brooklyn, New York. Born in Crown Heights, Pinson is greatly influenced by the traditions of Chabad Chassidus and Lurianic Philosophy/Mysticism.

Saul Levi Morteira was a Dutch rabbi of Portuguese descent. In a Spanish poem Daniel Levi de Barrios speaks of him as being a native of Germany ("de Alemania natural"). When in 1616 Morteira escorted the body of the physician Elijah Montalto from France to Amsterdam, the Sephardic congregation Bet Ya'aḳob elected him ḥakam in succession to Moses ben Aroyo. Morteira was the founder of the congregational school Keter Torah, …

Nathan Birnbaum (16 May 1864 - 2 April 1937) was Austrian journalist, Jewish philosopher, the founder of a Jewish nationalist organisation "Kadimah" ten years before Theodor Herzl became the leading spokesman of the Zionist movement. Birnbaum is credited for coining the term "Zionism". Sometimes he used the pseudonyms 'Mathias Ascher' or "Mathias Acher".

Manuel Joel, Joël was a Jewish philosopher and preacher. After teaching for several years at the Breslau rabbinical seminary, founded by Zecharias Frankel, he became the successor of Abraham Geiger in the rabbinate of Breslau. He made important contributions to the history of the school of Aqiba as well as to the history of Jewish philosophy, his essays on Ibn Gabirol and Maimonides being of permanent worth.

Professor Benny Lévy was, as a young Maoist, an active participant in the May 1968. Along with Jean-Paul Sartre, he helped found the French newspaper "Libération", and later studied philosophy under Sartre, of whom he was personal secretary from 1974 to 1981. After having encountered the Jewish philosophy of Emmanuel Levinas in 1978, he operated a return to tradition, learnt Hebrew starting in 1978.

David (abu Sulaiman) ibn Merwan al-Mukkamas al-Rakki was a philosopher and controversialist, the author of the earliest known Jewish philosophical work of the Middle Ages. He was a native of Rakka, Mesopotamia, whence his surname. Harkavy derives his byname from the Arabic "ḳammaṣ" (to leap), interpreting it as referring to his asserted change of faith (Grätz, "Gesch." Hebr. transl., iii.498). This is uncertain.

Rabbi Yaaqov Medan (born 1950) is a co-Rosh yeshiva of Yeshivat Har Etzion in Gush Etzion, south of Jerusalem, and a lecturer in Tanakh, gemara, and Jewish philosophy. He was a member of the first class to graduate from Yeshivat Har Etzion, and has lived in Gush Etzion for 39 years. Together with Rabbi Baruch Gigi, Rav Medan joined Rabbi Yehuda Amital and Rabbi Aharon Lichtenstein as a Rosh Yeshiva on January 4, 2006.

Fernand Brunner was a Swiss philosopher. After studying in Lausanne and in Paris, became a professor at the University of Neuchâtel. He united philosophical introspection with the study of the History of Philosophy in a personalized manner. He was interested in ancient history, the Middle Ages, the Modern era, traditional Arab and Jewish philosophies, as well as ideas from India, studying the differences between philosophy and tradition.

Dr. Jonathan Reuben Cohen (born July 18, 1958) is a professor of philosophy at the University of Maine at Farmington. In 2003, he won the Best Faculty Award of the year. In 2004, he became the first Director of General Education at that university. He specializes in teaching history of philosophy, ethics, and logic. He has research interests in Nietzsche, ancient philosophy, and Jewish philosophy. Cohen graduated from Harvard with a major in philosophy in 1980, …

Mordecai Sultansky was a Crimean Karaite hakham of the nineteenth century. He was born at Lutsk about 1772. Sultansky was one of the most prominent scholars of the Karaite sect during the nineteenth century. He officiated as hakham of Lutsk (in succession to his father), and later at Eupatoria. He wrote a Hebrew grammar entitled "Petah Tikvah" (Eupatoria, 1857), and "Sefer Tetib Da'at" (ib. 1858), directed against rabbinical philosophy and Hasidic mysticism, …