How much money does a professor make?

The Chronicle of Higher Education has data on 2007-2008 salaries for professors at various ranks (Assistant, Associate, Full Professor) in various departments.   AVERAGE FACULTY SALARIES BY FIELD AND RANK AT 4-YEAR COLLEGES AND UNIVERSITIES, 2007-8. Professors teaching Law, Business or Engineer were among the highest paid.”Among new assistant professors, those in business had the…