Winston W. Royce

Winston Walker Royce (August 15, 1929 – June 7, 1995) was an American computer scientist, director at Lockheed Software Technology Center in Austin, Texas.

[3] Born in 1929, Royce entered the California Institute of Technology, where he received his BS in physics, his MS in aeronautical engineering and in 1959 his PhD in aeronautical engineering under Julian David Cole[4] with the thesis Transonic flow over a non-lifting, slender body of revolution.

His first project concerned the design of a mission planning and orbit selection system for spacecraft.

[7] His eldest son is Walker Royce, Chief Software Economist of IBM's Rational division, and author of "Software Project Management, A Unified Framework", and a principal contributor to the management philosophy inherent in the IBM Rational Unified Process.

[3] To picture this iterative development Royce proposed a number of approaches, although he never used the term waterfall[10] nor advocated it as an effective methodology.

[14] According to Philippe Kruchten et al. (2006) this article was the first "to position software architecture — in both title and perspective — between technology and process.