Alan RengaAuthor Alan Renga received a master's of arts in history from San Diego State University and is the associate archivist at the San Diego Air and Space Museum. Mark Mentges holds a master's of library science from the University of California at Berkeey, where he headed the Reference Department at the Education-Psychology Library and was a research specialist at the Business Library. He currently volunteers at the San Diego Air and Space Museum Archives. In this unique volume, together they document the history of the airline using the museum's extensive PSA photograph collection. Read More Read Less