From Programmer 97-things
Cal Evans is the Director of the PCE for Ibuildings. He has been a programmer in various languages for more than 25 years. He is a published author of books and magazine articles on a variety of topics in several programming languages. He is an American currently based in Utrecht, the Netherlands, where he speaks, writes, codes, and works with the global PHP community. His blog can be found at http://blog.calevans.com.