In which year was the University established at which Justin Hansford, for academic year 2016-2017, was a visiting professor of law ? 
Justin Hansford:  For the 2016-2017 academic year, Professor Hansford is on leave from SLU Law to teach as a visiting professor of law at his alma mater, Georgetown Law, as well as researching and teaching as a democracy project fellow at Harvard University's Charles Warren Center of American Studies. Georgetown Law: Georgetown University Law Center (commonly referred to as Georgetown Law School or Georgetown Law) is one of the professional graduate schools of Georgetown University, a private research university located in Washington, D.C. Established in 1870, it is the second largest law school in the United States, and receives more full-time applications than any other law school in the country.
1870