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- Foreword
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- Ada is the result of a collective effort to design a common language for
- programming large scale and real-time systems.
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- The common high order language program began in 1974. The requirements of
- the United States Department of Defense were formalized in a series of
- documents which were extensively reviewed by the Services, industrial
- organizations, universities, and foreign military departments. The Ada
- language was designed in accordance with the final (1978) form of these
- requirements, embodied in the Steelman specification.
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- The Ada design team was led by Jean D. Ichbiah and has included Bernd
- Krieg-Brueckner, Brian A. Wichmann, Henry F. Ledgard, Jean-Claude Heliard,
- Jean-Loup Gailly, Jean-Raymond Abrial, John G.P. Barnes, Mike Woodger,
- Olivier Roubine, Paul N. Hilfinger, and Robert Firth.
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- At various stages of the project, several people closely associated with
- the design team made major contributions. They include J.B. Goodenough,
- R.F. Brender, M.W. Davis, G. Ferran, K. Lester, L. MacLaren, E. Morel, I.R.
- Nassi, I.C. Pyle, S.A. Schuman, and S.C. Vestal.
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- Two parallel efforts that were started in the second phase of this design
- had a deep influence on the language. One was the development of a formal
- definition using denotational semantics, with the participation of V.
- Donzeau-Gouge, G. Kahn, and B. Lang. The other was the design of a test
- translator with the participation of K. Ripken, P. Boullier, P. Cadiou, J.
- Holden, J.F. Hueras, R.G. Lange, and D.T. Cornhill. The entire effort
- benefitted from the dedicated assistance of Lyn Churchill and Marion Myers,
- and the effective technical support of B. Gravem, W.L. Heimerdinger, and
- P. Cleve. H.G. Schmitz served as program manager.
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- Over the five years spent on this project, several intense week-long design
- reviews were conducted, with the participation of P. Belmont, B. Brosgol,
- P. Cohen, R. Dewar, A. Evans, G. Fisher, H. Harte, A.L. Hisgen, P. Knueven,
- M. Kronental, N. Lomuto, E. Ploedereder, G. Seegmueller, V. Stenning, D.
- Taffs, and also F. Belz, R. Converse, K. Correll, A.N. Habermann, J.
- Sammet, S. Squires, J. Teller, P. Wegner, and P.R. Wetherall.
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- Several persons had a constructive influence with their comments,
- criticisms and suggestions. They include P. Brinch Hansen, G. Goos, C.A.R.
- Hoare, Mark Rain, W.A. Wulf, and also E. Boebert, P. Bonnard, H. Clausen,
- M. Cox, G. Dismukes, R. Eachus, T. Froggatt, H. Ganzinger, C. Hewitt, S.
- Kamin, R. Kotler, O. Lecarme, J.A.N. Lee, J.L. Mansion, F. Minel, T.
- Phinney, J. Roehrich, V. Schneider, A. Singer, D. Slosberg, I.C. Wand, the
- reviewers of Ada-Europe, AdaTech, Afcet, those of the LMSC review team, and
- those of the Ada Tokyo Study Group.
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- These reviews and comments, the numerous evaluation reports received at the
- end of the first and second phase, the nine hundred language issue reports
- and test and evaluation reports received from fifteen different countries
- during the third phase of the project, the thousands of comments received
- during the Ansi Canvass, and the on-going work of the Ifip Working Group
- 2.4 on system implementation languages and that of the Purdue Europe LTPL-E
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- committee, all had a substantial influence on the final definition of Ada.
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- The Military Departments and Agencies have provided a broad base of support
- including funding, extensive reviews, and countless individual
- contributions by the members of the High Order Language Working Group and
- other interested personnel. In particular, William A. Whitaker provided
- leadership for the program during the formative stages. David A. Fisher
- was responsible for the successful development and refinement of the
- language requirement documents that led to the Steelman specification.
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- This language definition was developed by Cii Honeywell Bull and later
- Alsys, and by Honeywell Systems and Research Center, under contract to the
- United States Department of Defense. William E. Carlson and later Larry E.
- Druffel served as the technical representatives of the United States
- Government and effectively coordinated the efforts of all participants in
- the Ada program.
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