Chacham Yosef Chayim of Baghdad was the greatest rabbi and sage of the Iraqi Jewish community and perhaps the entire Sephardic world in the 19th century. Chacham Yosef Chayim's became known by the name of one of the countless books he authored Ben Ish Chai. He became famous as a master scholar, Halachic (legal) expert, Kabbalist, preacher, author and Jewish leader.