Paul Deitel and Harvey Deitel are the founders of Deitel & Associates, Inc., the internationally recognized programming languages authoring and corporate-training organization. Millions of people worldwide have used Deitel books and LiveLessons videos to master C#, C++, Java™, C, iPhone app development, Internet and web programming, JavaScript, XML, Visual Basic®, Visual C++®, Perl, Python and more. Paul Deitel is also a Microsoft C# MVP.