1. The Boeing Co., Everett, WA 98204
2. School of Engineering and Computer Science, Washington State University, Vancouver, WA 98686
3. Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195-2120
4. Fellow ASME
5. Department of Mechanical Engineering, University of Washington, Seattle, WA 98195
6. StressWave Inc., Kent, WA 98032