In the fifth interview session, conducted on December 18, 1995, Vaughan continues to discuss his service as executive director of OHS. He talks about his involvement in historic preservation of buildings in Portland, and revisits the topics of the construction of the OHS building on Southwest Park Avenue and the purchase of the Sovereign Hotel. He talks about his reasons for retiring in 1989, about the North Pacific Studies program at OHS, and about the selection of his successor, Bill Tramposch. He speaks further about cultivating relationships with donors.