Robert C. Martin

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Robert C. Martin
Robert Cecil Martin.png
Martin in March 2015
Robert Cecil Martin

(1952-12-05) December 5, 1952 (age 67)[1]
Other names"Uncle Bob" Martin
OccupationSoftware engineer, instructor
Known forAgile Manifesto, SOLID principles

Robert Cecil Martin, colloquially known as "Uncle Bob",[2] is an American software engineer and instructor. He is best known for being one of the authors of the Agile Manifesto[3] and for developing several software design principles. He was also the editor-in-chief of C++ Report magazine and served as the first chairman of the Agile Alliance.

Martin operated the now-defunct company, Object Mentor, which provided instructor-led training courses about extreme programming methodology. He now operates two companies: Uncle Bob Consulting, which provides consulting and training services, and Clean Coders, which provides training videos.

Software principles and advocacy[edit]

Most of the principles Martin promotes were invented by him. However, the Liskov substitution principle was devised by Barbara Liskov, while the Open–closed principle was conceived by Bertrand Meyer. Five of the principles have become known collectively as the "SOLID principles", and have received wide attention in the software industry.

Martin has authored numerous books and magazine articles. He is also an outspoken advocate of software craftsmanship, agile software development, and test-driven software development.


  • 2002. Agile Software Development, Principles, Patterns, and Practices. Pearson. ISBN 978-0135974445.
  • 2009. Clean Code: A Handbook of Agile Software Craftsmanship. Prentice Hall. ISBN 978-0132350884.
  • 2011. The Clean Coder: A Code Of Conduct For Professional Programmers. Prentice Hall. ISBN 978-0137081073.
  • 2017. Clean Architecture: A Craftsman's Guide to Software Structure and Design. Prentice Hall. ISBN 978-0134494166.
  • 2019. Clean Agile: Back to Basics. Prentice Hall. ISBN 978-0135781869.


  1. ^ Groupon OnAir (July 26, 2016). The Future of Programming with Uncle Bob Martin. YouTube.
  2. ^ Heusser, Matthew; Martin, Robert C. (May 10, 2011). Do Professional Programmers Need a Code of Conduct? An Interview with Robert C. "Uncle Bob" Martin. InformIT. Retrieved February 26, 2015.
  3. ^ "Authors: The Agile Manifesto". Manifesto for Agile Software Development. 2001. Retrieved January 16, 2020.