Alan Simpson

Alan Simpson

With over 100 published books to his name, award-winning author Alan Simpson is widely regarded as a computer and Internet guru. His books have been published throughout the world in over a dozen languages. Alan is a seasoned veteran of the computer industry, and his books and online courses cover virtually all aspects of the computer industry, including Web development, operating systems, word processing, spreadsheets, databases, programming, networking, and security.

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Richard Blum | Vibe Learning
 
Richard Blum

Richard Blum

Richard Blum has been an IT industry professional for over 18 years, working mainly as a network and systems administrator. During this time, he has worked with Microsoft, Novell, Unix, and Linux servers, and has created Web sites using a variety of different programming languages. Blum is the author of several programming and systems administration books, including Professional Assembly Language, C# Network Programming, PostgreSQL 8 for Windows, Sendmail for Linux, Postfix, and Network Performance Open Source Toolkit.

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