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Tracing the History of the Computer - James Rumbaugh


Dr. James Rumbaugh is a methologist of modern software development.

He led the development of Object-modeling technique (OMT) while working for General Electric.

He joined Rational Software in 1994, and worked there with Ivar Jacobson and Grady Booch ("the three amigos") to develop UML. Later they merged their software development methologies, OMT OOSE and Booch, and into the Rational Unified Process (RUP). Before working for Rational he worked for over 25 years at General Electric Research and Development Center.

Jim has a B.S. in physics from MIT, an M.S. in astronomy from Caltech, and a Ph.D. in computer science from MIT.

He has written a number of books about UML and RUP together with Ivar Jacobson and Grady Booch:

  • James Rumbaugh, Michael Blaha, William Premerlani, Frederick Eddy, William Lorensen: Object-Oriented Modeling and Design, Prentice Hall, ISBN 0136298419


Ivar Jacobson

Grady Booch



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