More recently Juha Pakkala (2004) has carried out an extensive analysis of the layers in Ezra. He sees the account of the rebuilding of the Temple (Ezra 5:1–6:15) and the core of the "Ezra memoir" (Ezra 7–10/Nehemiah 8) developing separately until they were combined by an editor who wished to show how Temple and Torah were re-introduced into Judah after the exile. This editor also added Ezra 1–5. The combined text was then further developed by priestly circles who stressed Temple over Torah, transformed Ezra from scribe to priest, and stressed the primacy of the Babylonian returnees over those who had remained in the land, a distinction that had not appeared in the original Ezra material. Still later, Levitical editors combined Ezra and Nehemiah to produce the final form of the book, reintroducing interest in Torah and stressing the primacy of the Levites.