Robert Cecil Martin (born 5 December 1952), colloquially called "Uncle Bob", is an American software engineer, instructor, and author. He is most recognized for promoting many software design principles and for being an author and signatory of the influential Agile Manifesto.Martin has authored many books and magazine articles. He was the editor-in-chief of C++ Report magazine and served as the first chairman of the Agile Alliance. Source: Wikipedia (en)