Management where he was Special Appointee to the President. He was a Director's Circle member of the Charles Babbage Institute and a member of the Board of Directors of the IT History Society. In the 1977 joint exhibit sponsored by the ACM and Goldman Sachs in Washington D.C. and the Boston Computer Museum, documented in the book “Wizards and Their Wonders: Portraits in Computing”, Gartner was honored as one of the 19 “Communicator” stars in the IT industry. Gartner's professional activities have included speaking before major organizations worldwide. He has addressed graduate student groups at Harvard Business School, M.I.T., Yale, University of Georgia, and Arizona State, among others. In 1985, Gartner taught a course at UCLA’s Graduate School of Management (GSM), which was formally rated by his students as their best course taken throughout GSM. Gartner has also written extensively, for example, the AMA journal, series of articles for Computer Decisions and Information Week magazines, and the forward and much of Chapter 7, in “The E-Marketplace…Strategies for success in B2B eCommerce”, by Warren Raisch (McGraw Hill, 2001). He was an active angel investor in early-stage companies, and was a member of New York Angels. Gartner died on December 12, 2020 at his home in New York, of complications from Alzheimer's disease. He was aged 85. Notes Sources Gartner Inc. annual reports Gideon I. Gartner, Oral history interview by Jeffrey R. Yost, 12 August 2005, Aspen, Colorado. Charles Babbage Institute, University of Minnesota, Minneapolis Securities Exchange Commission documents Gartner Group Records, 1981-2000. Charles Babbage Institute, University of Minnesota. Collection of 57 linear feet documents Gideon Gartner's business activity with his companies Gartner Group, Giga, and Soundview Technology Group. 1935 births Living people Computer systems engineers American financial analysts MIT Sloan School of Management alumni MIT School of Engineering alumni Harvard Business School people Angel investors American people of Palestinian-Jewish descent Gartner people