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Mordechai Yaakov Breish was born in 1895 in Skohl, Galicia (today, Ukraine) to a family of Belzer chassidim. During the 1920s he began his career as a rabbi in Galicia, and toward the end of the decade he accepted a position as the rabbi of Disbourg, Germany. That is where he wrote his first sefer, on the topic of eiruvin. A few years later, after the ascendance of the Nazis (ysv"z), he moved to France. He was there just a few years and was fortunate that before the War, he accepted a position in Zurich, Switzerland, where he served as rabbi of the Charedi community for over forty years.
In the years after World War II, Europe had only a relatively small remnant of a Jewish community, compared to pre-War Europe, as, of course, 6 million were murdered and most of the survivors left the continent for Israel or America. In Continental Europe (excluding England), few poskim survived and remained after the War. I can think of only two works of high-level p’sak halacha that were produced there at that time (apologies to any others I forgot): R. Yechiel Yaakov Weinberg’s S’ridei Eish and Rav Mordechai Yaakov Breish’s Chelkat Yaakov. Rav Breish was indeed a central figure, both communally, in Zurich and regionally, and in the world of scholarship. Through his large family, he became connected through marriage with some of the most prestigious families of the time, including that of the Rav Y.Y. Weiss and the Soloveitchik dynasty.
Rav Breish ruled on many issues affecting a Jewish community that was not only trying to recover from the Holocaust but was also dealing with the ravages of assimilation and intermarriage. However, as far as contemporary issues, his major contributions seem to be in the field of new (from the perspective of the 20th century) technologies, especially electrical devices and medical questions. For example, his Orach Chayim section has responsa on various uses of "Shabbat clocks," Hagomel for air travelers, berachot on "eating" through a tube, vending machines on Shabbat, and use of a refrigerator on Shabbat.
Rav Breish was not so famous for his contribution to the field of monetary halacha. However, his well-written teshuvot touch, in addition to standard age-old matters, on some interesting contemporary issues or post-war related issues. A few examples include buying previously Jewish-owned sefarim from the Czechoslovakian government, what to do with unclaimed property after the War, and guidelines on the concept of dina d’malchuta dina (the law of the land is binding).
Since Rav Breish’s death in 1976, much has changed in the Jewish world and discussion on newer technologies replace those on formerly new technologies. However, we owe a debt of gratitude not only for his contributions to the survival and a certain measure of recovery of European Jewry, but for solid scholarship from which we still have much to learn in our times.
P'ninat Mishpat (826)
Various Rabbis
353 - Is Expensive Food for Sickness Included in Support?
354 - Historical View of Rav Mordechai Yaakov Breish (Chelkat Yaakov)
355 - Disqualifying a Dayan for Having His Lost Item Returned
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P'ninat Mishpat P'ninat Mishpat: How Many Dayanim?
based on ruling 84139-1 of the Eretz Hemdah-Gazit Rabbinical Courts

P'ninat Mishpat P'ninat Mishpat: Benefit from Unsolicited Efforts of the Plaintiff
based on appeal of ruling 82138 of the Eretz Hemdah-Gazit Rabbinical Courts

P'ninat Mishpat P'ninat Mishpat: Agricultural Water Rights – part I
based on ruling 84122 of the Eretz Hemdah-Gazit Rabbinical Courts
Lessons
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Chukat "HOW ENTEBBE STOLE THE BICENTENNIAL
The Difference Between Historic & Eternal"
As we approach America's 250th birthday, it's worth remembering her 200th Bicentennial birthday, on Jul. 4th 1976, when Israel "stole the show" by shocking the world & miraculously saving 101 hostages in a foreign continent. As Pres. As Pres. Trump decides which countries get priority in his new Middle-East, it's worth reminding him of the difference between historic events and eternally historic ones. This obviously connects with this week's parsha, as well!

Kuzari -Rabbi Ari Shvat Kuzari class 6 - The Parable of the King of India
The advantages of testimony over circumstantial evidence or philosophical speculation.

Kuzari -Rabbi Ari Shvat Kuzari class 5- "Proofs of G-d"
This may be the most important class of the entire book, where we finally get to the Jewish proof of the existence of G-d and truth of the Torah. We should follow His own direction where He tells us how to get to Him: through the Nation of Israel: Jewish history, Jewish prophets (and today, prophecies fulfilled), and national reward & punishment towards Am Yisrael.

Ein Aya One Humanity, One Creator, One Jerusalem
Rav Kook innovatively and beautifully explains this aggadeta where our sages say that after Jerusalem was destroyed her cinnamon fragrance is only found locked in a particular kingdom's treasury.

Shlach Lecha "Why So Many Don't Make Aliya?" - Parshat Shlach
This short article deals with the weird phenomena that every single time Am Yisrael is meant to enter the Land of Israel, throughout the Tanach, 2nd Temple and until today, they "chicken out" and look for excuses. What's the problem with this mitzvah that proves so challenging. The article, based on sources, suggests that the difficulties of Eretz Yisrael is precisely her secret and beauty!

Kuzari -Rabbi Ari Shvat Kuzari class 4
The class deals with Islam and how the Muslim tries convincing the King of the Khazars, and why he was also rejected.

Beha'alotcha JEWISH STATE= GUIDE TO G-DLINESS & SELFLESSNESS
A Jewish State not only is a good idea, but educates us towards selflessness, altruism and G-dliness in our daily lives.

Ein Aya In Zion Even the Smoke of the Bark is Sweet
Just as Jewish nationalism is different from others, so too our capitol of Jerusalem is totally different than other national capitols. Rav Kook beautifully explains the passage in the Talmud that the trees of Yerushalayim were cinnamon trees.

















