Bjarne Stroustrup

Bjarne Stroustrup
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Name	Bjarne Stroustrup
Birth date	1950-12-30
Birth place	Aarhus, Denmark
Nationality	Danish
Occupation	Computer scientist, inventor, professor, author
Known for	Creator of C++

Bjarne Stroustrup is a Danish computer scientist and inventor best known for creating the programming language C++. He has held academic and industrial positions at institutions such as AT&T Bell Laboratories, Texas A&M University, and Morgan Stanley, and has influenced software engineering, systems programming, and language design. His work intersects with engineers, researchers, and organizations across computing, including contributions tied to Unix, DEC, Bell Labs, and major technology companies.

Early life and education

Stroustrup was born in Aarhus, Denmark, and studied at the University of Aarhus where he completed a degree in mathematics and computer science. He pursued doctoral studies at the University of Cambridge under the supervision of David Wheeler and interacted with researchers associated with INMOS, Royal Society, and groups connected to Acorn Computers. During his early career he worked with systems influenced by Unix and networks used in projects at Collège de France and research collaborations with engineers from AT&T and Digital Equipment Corporation.

Career and contributions

Stroustrup's career spans research labs, academia, and finance. He joined AT&T Bell Laboratories where he developed and implemented early versions of C++ in environments linked to Unix, VAX, and DEC VAX systems. Later appointments included professorships at Texas A&M University, an academic post at Columbia University, and industry roles at Morgan Stanley and work interfacing with engineering teams at Microsoft Research and Google. He has engaged with standards bodies such as ISO/IEC JTC 1/SC 22/WG 21 and collaborated with language designers associated with Dennis Ritchie, Ken Thompson, Donald Knuth, Tony Hoare, and researchers from Bell Labs Research, ACM, and IEEE. His contributions influenced software projects used by organizations including NASA, European Space Agency, Nokia, Apple Inc., and financial institutions like Goldman Sachs.

Design and development of C++

Stroustrup began designing C++ as an extension of C to support abstraction and performance for systems programming, drawing on ideas from Simula, ALGOL, Smalltalk, and influences from work by Ole-Johan Dahl and Kristen Nygaard. Early implementations targeted Unix on PDP-11 and VAX architectures, and the language evolved through implementations at AT&T Bell Laboratories and interactions with compiler developers from GCC, EDG (Edison Design Group), and standards committees like ISO. Design goals emphasized zero-overhead abstractions, compatibility with C, and facilities for object-oriented, generic, and low-level programming. The language matured through standardization processes involving ISO/IEC JTC 1, with major revisions influenced by proposals submitted by committees including contributors from Microsoft, IBM, Intel Corporation, ARM Holdings, Google, and Facebook (company). C++'s feature set—such as classes, templates, exceptions, and RAII—interacts with compiler toolchains like GCC, Clang, and MSVC and runtime environments used in projects at Mozilla, Dropbox, Adobe Systems, and Siemens.

Awards and honors

Stroustrup's recognitions include awards and fellowships from organizations and institutions such as the IEEE, ACM, Royal Society of London, Royal Danish Academy of Sciences and Letters, and national honors from Denmark. He has received prizes named by groups like Bell Labs, industrial honors from AT&T, and scholarly awards related to computing history alongside laureates such as Edsger W. Dijkstra, John Backus, Grace Hopper, and Donald Knuth. Honorary degrees and fellowships link him with universities including University of Waterloo, Heriot-Watt University, University of Cambridge, and societies like ACM SIGPLAN and IEEE Computer Society.

Publications and writings

Stroustrup authored foundational texts and papers documenting language design, implementation, and software engineering practice. His books include major works distributed widely to practitioners and students and are cited alongside classic texts by Brian Kernighan, Dennis Ritchie, Andrew S. Tanenbaum, Robert C. Martin, and Erich Gamma. He published papers in venues such as PLDI, ICSE, ACM Computing Surveys, and IEEE Transactions on Software Engineering. His writings address performance, type systems, language evolution, and best practices adopted in projects at Bell Labs, AT&T, Microsoft Research, Intel, and enterprise deployments at Oracle Corporation and SAP SE.

Personal life and legacy

Stroustrup's influence extends through students, collaborators, and the global developer community using C++ in domains from embedded systems at ARM Holdings to high-performance computing centers like Lawrence Livermore National Laboratory and CERN. His pedagogical and technical legacy is discussed alongside the histories of C, Simula, Algol 68, and the evolution of programming languages shaped by figures such as John McCarthy, Niklaus Wirth, Barbara Liskov, and Bjarne Stroustrup's contemporaries. Institutions preserving software history, including the Computer History Museum and archives at Bell Labs, document his role in modern computing.

Category:Computer scientists Category:Programming language designers