Menahem Mendel Sander

Menahem Mendel Sander writes at the point where two seemingly hostile worlds meet: Torah and science. His entire body of work is rooted in that encounter—to read Jewish tradition alongside the disciplines that study or challenge it, including medicine, psychology, biblical criticism, the history of religions, and cognitive science, and to examine what emerges when that confrontation is pursued honestly.

This is both a conviction and a method. The conviction is that tradition has nothing to fear from intellectual rigor, and science has nothing to lose by taking tradition seriously. The method is never to quote from memory, never to force the evidence, and always to present every objection in its strongest form before attempting to answer it. Neither a complacent apologist nor a polemicist, he writes for readers who wish to weigh the evidence for themselves—whether believers or non-believers, but always curious.

This same intellectual standard takes two forms, like two sides of a single undertaking: practical guides that place science at the service of a Torah life, and investigations that submit the Torah to the scrutiny of the sciences that claim to explain it.

One idea, developed through two series

His work develops this project through two distinct series, united by the same standard of rigor.

The “Shmirat” Series—Practical Guides: Science in the Service of a Torah Life

Three forms of “guarding,” three dimensions of a single life: the body, the soul, and the path. Each volume brings Jewish practice into dialogue with the current state of knowledge, placing halakha and scientific literature side by side. The series is designed to expand over time.

• Shmirat HaGuf—Guarding the Body. Health, nutrition, and body recomposition, grounded in halakha and the scientific literature.

• Shmirat HaNefesh—Guarding the Soul. Mental health and Avodat Hashem: halakhic foundations, a systematic overview of mental disorders, and the essential pillars of daily life.

• Shmirat HaDerekh—Guarding the Path. The “Off the Derekh” phenomenon—leaving the religious path: causes, profiles, blind spots, prevention, and support.

The “Investigations” Series—The Torah on Trial Before the Sciences

Each book takes a major objection raised against Jewish tradition and examines it in full, on the basis of the evidence, without evasion.

• Who Wrote the Torah? Volume I—The documentary hypothesis and the question of the sources of the Pentateuch, from Spinoza to the current state of the field, critically examined.

• Who Invented God? Volume II—The monotheism of the Torah on trial before the cognitive science of religion.