Dr. Madhu Thangavelu*, an architect and engineer who is a professor at U.S.C. sent me a document on his or a lunar humanity center and retirement complex. The paper was first presented in 1998 at ASCE Space Conference, Alburquerque, New Mexico and has undergone several edits over the years.
CONCEPT FOR A LUNAR HUMANITY CENTER AND RETIREMENT COMPLEX_July_2010
* Madhu is also a 62MileClub Face of Space.