any data on death of Mark E Rorvig? - Microcomputers in Libraries etc

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Mark E. Rorvig , Denton, associate professor of library and information sciences, 1995-2002. Rorvig was nationally recognized as a pioneer in the field of information retrieval. From 1990 to 1995, while serving as an adjunct professor at UNT, he worked as a computer engineer for NASA at the Lyndon B. Johnson Space Center in Houston. His research focused on deciphering large amounts of information and finding new ways to piece it together. He produced four U.S. patents on information retrieval algorithms. Rorvig earned a bachelor's degree in English at Seattle University, a master's in library service from Columbia University and a doctorate in information studies from the University of California at Berkeley. At UNT, he led the master's program in information systems.any one know him? I took some photos for a book he did on microcomputers in libraries and took an into to dp class from him when I started Computer Exchange in AZ I had talked into course years before from someone else but thought hey good to take it now things have changed and I am going into the biz! I talked to him again years ago and thanked him for admitting me to an already full class...but in looking him up to get some data from him find he had passed but almost nothing out there....in the way of info except for the brief info in google. I remember during that class period I got first pdp-8 m or f ? and brought it into class and showed the students how I would toggle it.... Funny this is when I got to first play on the HP2000 F I later to own surplus form the college that shaped my entire future business ( still have it under glass at SMECC) Having that PDP 8 was great as a tty tester! Sold many ttys in the early days.... thanks ed sharpe archivist for smecc