1. Assoc. Prof., Dept. of Civ. and Envir. Engrg., Univ. of South Florida, Tampa, FL 33620.
2. Res. Asst., Dept. of Civ. and Envir. Engrg., Univ. of South Florida, Tampa, FL.
3. Mech. Engr., Wright-Patterson Air Force Base, Dayton, OH 45433.
4. Deceased 1996, formerly, Mech. Engr., Wright-Patterson Air Force Base, Dayton, OH.
5. Chf. Mech. Engr., Wright-Patterson Air Force Base, Dayton, OH.