1. Assistant Professor, Dept. of Civil Engineering, Univ. of Nebraska-Lincoln, Lincoln, NE 68588.
2. Associate Professor, Engineering Professional Development and Geological Engineering, Univ. of Wisconsin-Madison, Madison, WI 53706 (corresponding author).
3. Dean, School of Engineering and Applied Science and Hamilton Endowed Chair in Engineering, Univ. of Virginia, Charlottesville, VA 22904.
4. Professor Emeritus, Dept. of Civil and Environmental and Geological Engineering, Univ. of Wisconsin-Madison, Madison, WI 53706.