Avraham Danzig

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Rabbi Avraham Danzig (ben Yehiel Michael, אברהם דנציג  ;1820–1748) was a Posek ("decisor") and codifier, best known as the author of the works of Jewish law called "Chayei Adam" and "Chochmas Adam." He is sometimes referred to as "the Chayei Adam".


Rabbi Danzig was born in Danzig (Gdańsk), Poland (hence his name), in 1747 or 1748 into a prominent Rabbinic family. When he was fourteen his father sent him to study at the Prague yeshivah, after exacting a promise from him "that he would not mingle with the Moderns" who were then gradually coming into prominence through the influence of Moses Mendelssohn.

He studied in Prague for four years under Rabbi Yechezkel Landau and Joseph Liebermann. He was then offered a position as Rabbi in Vilna, but declined, earning his livelihood as a merchant (frequenting the fairs of Leipzig and Königsberg - which are referenced in his writings). Only in his later years, and after having lost almost his entire fortune through the explosion of a powder-magazine, could he be induced to accept the position of dayan in Vilna, where he served until 1812. He died there on September 12, 1820.

Rabbi Danzig is one of three authorities on whom Rabbi Shlomo Ganzfried based his rulings in the Kitzur Shulchan Aruch.

Descendants today of Avraham Danzig include Rabbi Neil Danzig and Rabbi Joseph Meyer Danzig, son of Rabbi Avraham Mordechai Danzig, who was born in Jerusalem and named after his prominent ancestor.


Rabbi Danzig authored several important works, but he is especially known for Chayei Adam and Chochmas Adam, his works of halacha covering the laws of the Shulchan Aruch dealing with everyday life.

Chayei Adam (Hebrew: חיי אדם‎‎ "The Life of Man") deals with the laws discussed in the Orach Chayim section of the Shulchan Aruch. It is divided into 224 sections - 69 dealing with daily conduct and prayer, and 155 with Shabbos, and holidays. In this work, Rabbi Danzig collected and critically sifted the Acharonic material, in the field of halakha written in the more than two and a half centuries since the appearance of the Shulchan Aruch. Chayei Adam was intended primarily "for the cultured layman", as opposed to rabbinic scholars, and the work is thus presented in a readily accessible form. The parallel work Nishmas Adam, published together with Chayei Adam, discusses the halachic issues in greater depth. The two are usually printed together. The scholarship of the work is evidenced by the fact that Rabbi Chaim Volozhin, known for his opposition to "digests of halacha",[1] granted the work his approbation (on condition that each section be cross-referenced to the Shulchan Aruch to allow for further study). In many cities, societies were formed for the purpose of studying Chayei Adam. The rulings of the Chayei Adam are often cited in later works, especially the Mishnah Berurah.

Chochmas Adam (Hebrew: חכמת אדם‎‎ "The Wisdom of Man"), similarly, discusses the laws in the Yoreh De'ah section of the Shulchan Aruch, as well as laws from the Even Ha'ezer and Choshen Mishpat sections pertinent to everyday life. Binas Adam on this work corresponds to the Nishmas Adam on Chayei Adam. Chochmas Adam was written in consultation with two of the greatest Torah scholars of the time - Chaim Volozhin and Yaakov of Lisa. Reportedly, the Chasam Sofer instructed his son that when unable to refer to the Shulchan Aruch, he could reference the Chochmas Adam in making a halachic decision [1]; the Chofetz Chaim states in Ahavas Chesed, that when one is unable to consult the Shulchan Aruch as regards the Laws of Interest, one may alternatively rely on Chochmas Adam.

Other works by Rabbi Danzig include:

  • Zichru Toras Moshe - an introduction to the laws of Shabbos.
  • Kitzur Sefer Chareidim - an abridgement of the classic Sefer Chareidim by Rabbi Elazar Ezkari.
  • Toldos Adam - a commentary on the Passover Haggadah.

Rabbi Danzig also wrote Tefillah Zakah, a penitential prayer recited by many on the eve of Yom Kippur.


  1. ^ Some[who?] say that the name Chayei Adam (life of man) was chosen so no one could write an "abridged life of man".


 This article incorporates text from a publication now in the public domainLouis Ginzberg (1901–1906). "Danzig, Abraham Ben Jehiel". In Singer, Isidore; et al. Jewish Encyclopedia. New York: Funk & Wagnalls Company.