1. Fellow, ASCE
2. Members, ASCE
3. Spencer J. Buchanan Prof., Dept. of Civ. Engrg., Texas A&M Univ., College Station, TX 77843-3136.
4. Dir., Institute for Geotechnics & Materials, P.O. Box 166-864, Achrafieh, Beirut, Lebanon.
5. Engr., 633 Bay #202, Toronto, Ontario, M5G2G4, Canada.