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Winston W. Royce (1929–1995) was an American computer scientist, director at Lockheed Software Technology Center in Austin, Texas, and one of the leaders in software development in the second half of the 20th century.[1] He was the first who described the Waterfall model for software development, although Royce did not use the term "waterfall" in that article, [2] neither coined he the term 'waterfall' nor advocated the waterfall model as a working methodology.[3]



Royce was born in 1929. He studied at the California Institute of Technology, where he received a BS in physics and an MS in aeronautical engineering and finally a PhD in aeronautical engineering under Julian David Cole. He worked over 35 years in management, engineering, research, and teaching. Since the 1970s he was director at Lockheed Software Technology Center in Austin, Texas. In 1995 on June 7, he died at his home in Clifton, Virginia.[4] In 1975 he had received the AIAA Information Systems Award.

His son is Walker Royce, Vice President of IBM's Worldwide Rational Lab Services, and author of "Software Project Management, A Unified Framework", and a principal contributor to the management philosophy inherent in the IBM Rational Unified Process.[5]

See also


Royce published several books and articles[6]. Books

  • 1959. Transonic flow over a non-lifting, slender body of revolution. Pasadena : California Institute of Technology, 1959.
  • 1997. Software Engineering Project Management. 2nd edition. With R. Thayer & Ed Yourdon.

Articles, a selection:

  • 1970. "Managing the Development of Large Software Systems: Concepts and Techniques". In: Technical Papers of Western Electronic Show and Convention (WesCon) August 25-28, 1970, Los Angeles, USA.
  • 1989. "Lockheed's Software Technology Center". In: Modern software engineering, foundations and current perspectives. Peter A. Ng (ed.). Van Nostrand Reinhold Co. Pp. 561-578.
  • 1991. "Current Problems." In: Aerospace Software Engineering, edited by Christine Anderson and Merlin Dorfman, 5-15. Washington, D.C.: American Institute of Aeronautics and Astronautics, 1991.
  • 1992. "Status Report: Computer-Aided Prototyping". In: IEEE Software 9(6): 77-81 (1992)


  1. ^ Dr. Winston W. Royce (1929 - 1995) at Retrieved 27 Oct 2008.
  2. ^ Wasserfallmodell : Entstehungskontext, Markus Rerych, Institut für Gestaltungs- und Wirkungsforschung, TU-Wien. Accessed on line November 28, 2007.
  3. ^ Winston W. Royce at Retrieved 27 Oct 2008.
  4. ^ Alan M. Davis, "Tracing: A Simple Necessity Neglected," in: IEEE Software, vol. 12, no. 5, pp. 6-7, Sept., 1995
  5. ^ Meet our thought leaders at IBM Rational. Retrieved 27 October 2008.
  6. ^ Royce Winston List of publications from the DBLP Bibliography Server.


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