Robert Clair拥有Oberlin学院的物理学学士学位，以及加州大学伯克利分校的物理学硕士和博士学位。他在商业软件开发领域拥有20年以上的经验，主要从事CAD、建模和图形方面的工作。在过去的7年里，他主要从事Mac上的Objective-C工作，现在转移到iPhone上。他编写过ZeusDraw，这是一款用于Mac OS X的矢量绘图程序；还有ZeusDraw Mobile，这是用于iPhone的一款绘图程序。他还是众多的iPhone和iPad应用程序的顾问。他居住在纽约市，是Chromatic Bytes公司的负责人，这是一家独立的软件公司。

Get Started Fast with Objective-C 2.0 Programming for OS X, iPhone, iPod touch, and iPad If you want to learn Objective-C 2.0 to write programs for Mac OS X, iPhone, iPad, or iPod touch, you've come to the right place! Concise, readable, and friendly, Learning Objective-C 2.0 is the perfect beginner's guide to the latest version of Objective-C. Longtime Mac OS X and iPhone developer Robert Clair covers everything from the absolute basics to Objective-C 2.0's newest innovations. Clair begins with a practical refresher on C and object-oriented programming and walks you through creating your first Objective-C program with Xcode. Next, you'll master each core language feature, from objects and classes to messaging, frameworks, and protocols. Every concept is illustrated with simple examples, and many chapters contain hands-on practice exercises. Throughout, Learning Objective-C 2.0 focuses on the features, concepts, and techniques that matter most day to day. The result is an outstanding first book for everyone who wants to begin programming for iPhone, iPod touch, iPad, or Mac OS X. COVERAGE INCLUDES * Understanding methods, messages, and the Objective-C messaging system * Defining classes, creating object instances, and using class objects * Using categories to extend classes without subclassing * Simplifying development with Objective-C 2.0 declared properties * Using protocols to emphasize behavior rather than class * Working with common Foundation classes for strings, arrays, dictionaries, sets, and number objects * Using Objective-C control structures, including Objective-C 2.0's new fast enumeration construct * Understanding application security and hiding the declaration of methods that should stay private * Using the new blocks feature provided in Objective-C 2.0