Question: The scholar who analyzed the Ben Sira scroll added portions to a book of the Bible  written by the author on the inspiration of who?

Related documents: [0]  [DOC] The Book of the All-Virtuous Wisdom of Joshua ben Sira, commonly called the Wisdom of Sirach or simply Sirach, and also known as the Book of Ecclesiasticus (abbreviated Ecclus.) or Ben Sira, is a work of ethical teachings, from approximately 200 to 175 BCE, written by the Jewish scribe Ben Sira of Jerusalem, on the inspiration of his father Joshua son of Sirach, sometimes called Jesus son of Sirach or Yeshua ben Eliezer ben Sira. [END] 
[1]  [DOC] Dr. Roy Kinneer Patteson, Jr. was an American scholar whose knowledge of Biblical Hebrew, Aramaic, Syriac and Hellenistic Greek enabled him to undertake an analysis of the text of the Ben Sira Scroll discovered at Masada in Palestine in 1964. His research resulted in the establishment of a critical Hebrew text for portions of the first-century B.C. book, Sirach. [END]  
Answer: his father Joshua
his father Joshua