1. Prof. of Civ. Engrg., The Technological Inst., Northwestern Univ., Evanston, Ill. 60201
2. Structural Analyst; United Computing systems, Inc., Chicago, Ill.
3. Prof. of Civ. Engrg., George Washington Univ., Washington, D.C., also Assoc., Dames and Moore, Washington, D.C.