Rav Shalom Rosner on the Legacy of Dr. Fred Rosner z"l

Jun 23, 2025

Rabbi Shalom Rosner, Rav of Kehillat Nofei HaShemesh and longtime Daf Yomi maggid shiur, reflects on his father Dr. Fred Rosner z

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ANECDOTE

Math Problems In The Orphanage

Young Freddy solved math problems at night in the orphanage so a caretaker would fall asleep first, hinting at early aptitude.
That childhood habit reflected his lifelong pull toward sciences and medicine.

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INSIGHT

Medicine As Divine Service

Fred Rosner fused medicine and Torah because he saw his professional work as avodah — a divine mission.
That worldview naturally led him into Jewish medical ethics and translation work.

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ANECDOTE

A Personal Bond With Rav Moshe

Dr. Fred Rosner counted Rav Moshe Feinstein as his primary mentor and repeatedly consulted him on medical-halachic questions.
Rav Moshe even gifted him a set of Tashmishei Dvarim on Baba Kama at his parents' wedding.

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Naming the Grandson after Dr. Fred Rosner

02:04 • 36sec

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Early Life: Kindertransport and Orphanage

02:40 • 2min

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Joining MTA: First Mishnah Changed Everything

04:50 • 4min

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Consistent Daily Learning, Not Extremes

08:31 • 2min

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Choosing Medicine: Early Aptitude and Drive

10:29 • 2min

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Jewish Medical Ethics: From Interest to Leadership

12:17 • 2min

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Balancing Hospital Leadership with Torah Work

14:30 • 3min

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Relationship with Rav Moshe Feinstein

17:43 • 4min

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Navigating Public Disputes with Humility

21:55 • 4min

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Rambam, Shabbos, and Home Life

25:50 • 6min

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Adapting After Health Setbacks

31:40 • 4min

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Letting Go and Trusting Divine Direction

36:07 • 2min

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Bencher Launch and Dedication to His Memory

37:56 • 5min

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Shabbos Rhythm: Nap, Daf, and Song

42:30 • 1min

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Rambam as Medical and Moral Model

43:43 • 48sec

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If Not a Rabbi: Dreaming as a Tour Guide

Kisvei Refua (Kisve Rufua) of the Rambam

Maimonides (Rabbi Moshe ben Maimon/Rambam)

The Kisvei Refua attributed to Maimonides (Rambam) comprises his medical treatises and practical medical guidance, reflecting his dual role as halachic authority and physician; these works have been translated and studied in modern times. Dr. Fred Rosner translated Rambam's medical writings, making them accessible to contemporary readers and showing Rambam's advanced medical knowledge. The translations illuminate historical medical practices and their intersections with Jewish law, emphasizing Rambam's lasting influence. These editions serve both as medical-historical resources and as sources for halachic reasoning where medical issues intersect with Jewish law. They played a role in Dr. Rosner's late-career scholarship and public teaching.

Shirim L'Rofim

Rav Zalberstein

This referenced title, mentioned as 'Shirim L'Rofim' (as cited in the transcript), is described as a substantial medical-halachic work authored by Rav Zalberstein and translated by Dr. Fred Rosner toward the later part of his career. The translation project is presented as an example of Dr. Rosner's adaptability and continued scholarship after health setbacks, enabling him to continue contributing to Jewish medical ethics. The exact title and bibliographic details were not fully specified in the transcript, but the speaker emphasized the project's scale and significance.

Jewish Medical Ethics

Rabbi Jacobowitz

This referenced work is described in the episode as a landmark publication on Jewish medical ethics by an author called Rabbi Jacobowitz, credited with shaping early discourse in the field and inspiring Dr. Fred Rosner's involvement; the speaker calls the author 'the grandfather of Jewish medical ethics. ' The book appears to have provided foundational material bridging halacha and modern medical developments during mid-20th century. Its influence led Dr. Rosner to pursue translation, scholarship, and public teaching in halachic medicine. Exact bibliographic details were not stated in the transcript, but its thematic importance to Dr. Rosner's career is emphasized.

This week on Shtark Tank, we welcome Rabbi Shalom Rosner—Rav of Kehillat Nofei HaShemesh, Rosh Beit Midrash at Machon Lev, beloved Daf Yomi maggid shiur, and my uncle—for a deeply personal conversation about his father, Dr. Fred Rosner z”l.

Check out the newly released Shalom Rav Birkon (bentcher) here.

Born in Berlin in 1935 and rescued via Kindertransport, Dr. Rosner began life with no formal Jewish education. But he went on to become not only a world-renowned physician and medical ethicist, but a serious talmid chacham, translator, and teacher of Torah and halachic medicine.

In this episode, we explore:

The incredible story of Dr. Rosner’s late start in Torah learning—and how one summer of Mishnah changed everything
His unwavering consistency and sense of mission, both in the hospital and the beit midrash

The evolution of Jewish medical ethics, and how Dr. Rosner worked alongside gedolim like Rav Moshe Feinstein zt”l
Balancing public influence with personal humility
The quiet legacy of a man who never wasted a moment, right up to the final day

Along the way, we also discuss family, Shabbos zmiros, Rambam, professional responsibility, and what it really looks like to synthesize Torah and derech eretz—without compromising either.

Check out ShtarkTank.org for more!

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