This effort to extend the reach of Oseh Shalom to non-Jews is said to have been started by the British Liberal Jewish movement in 1967, with the introduction of v'al kol bnai Adam ("and upon all children of Adam"); NOTE: The phrase בן אדם (ben adam) pl.
The oldest version of the Kaddish is found in the Siddur of Rab Amram Gaon, c. Shira Schoenberg observes that "The first mention of mourners saying Kaddish at the end of the service is in a 13th century halakhic writing by Isaac ben Moses of Vienna, the Or Zarua ("Light is Sown").
The Kaddish at the end of the service became designated as Kaddish Yatom or Mourner's Kaddish (literally, "Orphan's Kaddish").
In Sephardi synagogues, the custom is that all the mourners stand and chant the Kaddish together.
In Ashkenazi synagogues, the earlier custom was that one mourner be chosen to lead the prayer on behalf of the rest, though most congregations have now adopted the Sephardi custom.
In many Reform synagogues, the entire congregation recites the Mourner's Kaddish together.
This is sometimes said to be for those victims of the Holocaust who have no one left to recite the Mourner's Kaddish on their behalf.The opening words of this prayer are inspired by Ezekiel , a vision of God becoming great in the eyes of all the nations.The central line of the Kaddish in Jewish tradition is the congregation's response: , Genesis 49:2 and Deuteronomy 6:4), and is similar to the wording of Daniel .When mention is made of "saying Kaddish", this unambiguously refers to the rituals of mourning.Mourners say Kaddish to show that despite the loss they still praise God.The Mourners, Rabbis and Complete Kaddish end with a supplication for peace ("Oseh Shalom..."), which is in Hebrew, and is somewhat similar to the Tanakh Job 25:2.