Kaduri came to Israel from Baghdad and studied under several legendary kabbalists. Kaduri has been referred to as "the senior kabbalist" because he was the last of a generation of Sephardi Jewish mystics.
Kaduri is said to have been one of the few known living kabbalists who used "practical kabbalah", a type of Jewish magic aimed at affecting change in the world.
They say Kaduri learned from the great kabbalists the practice of writing amulets which heal, enhance fertility and bring success.
Kaduri is believed to have been involved in the removal of at least 20 dybbuks, lost souls that stray into the hapless bodies of living people to torment them.
Kaduri never dabbled in the most dangerous types of Kabbalah that included forcing oaths on demons and evil spirits.
More rational schools of Judaism were skeptical about Kaduri's powers, but they did not doubt his righteousness and vast knowledge of both conventional and more esoteric Jewish thought and law.
For most of his life Kaduri led a modest life of study and prayer and worked as a bookbinder. He also served as the head of Nahalat Yitzhak Yeshiva in Jerusalem.
Kaduri's reputation as supernatural mystic began during and after the Yom Kippur War. Families of soldiers missing in action came to Kaduri to ask him to use his powers to determine whether their loved ones were dead or alive.
Kaduri's popularity reached an all-time high in the 1996 elections. Israel's Sephardi Religious political party, Shas, used his amulets to achieve surprising electoral success (10 Knesset seats). Shas distributed 100,000 amulets before their distribution was prohibited by the chairman of the Elections Committee. The prohibition was soon followed by a law.
Rabbi Yitzhak Kaduri died in January 2006 after battling pneumonia. 200,000 attended his funeral in Jerusalem. Nobody knows precisely how old Kaduri was at the time of his death. Estimates range between 104-108. Legend has it that one of the most influential Sephardi rabbis of the 19th century, Rabbi Yosef Haim (Ben Ish Chai), blessed Kaduri with a long life.