Ken is currently President of CenterSpace Software, a developer of C# numerical libraries for the .NET platform. He has previously written documentation for C++ and Java class libraries for Rogue Wave Software, mathematical and statistical tools for MathSoft Inc., 3-D modeling and animation tools for Cubicomp, and semantic networks for Microsoft. He has also developed Web-based learning systems for Medlink and the Stanford University School of Education. Ken holds a PhD in Cognitive Science from the University of California, San Diego, and a BA in Linguistics from the University of California, Berkeley. Andy was coauthor of The Elements of C++ Style. He is currently an Executive Partner with Evolution Software Design, focusing on .NET, Tablet PCs, and XML/Web Services. He co-hosts TabletDev (www.tabletdev.com), a resource site for the Tablet PC development community. He has many years of Windows development experience, working for IntelliChem, Rogue Wave Software, ACCEL Technologies, and Microsoft. He holds a MS degree in Computer Science from University of California, San Diego, and a BS degree in Computer Science from Harvey Mudd College. Trevor is coauthor of The Elements of Java Style and The Elements of C++ Style. He has held programming positions for a variety of firms using C#, C++, Java, and other technologies. He is currently CEO of CenterSpace Software, a developer of C# numerical libraries for the .NET platform, and has worked previously for Rogue Wave Software, CleverSet Inc., and ProWorks. He holds a BSc in Computer Science from the University of British Columbia and a BA in Economics from the University of Western Ontario.