1. Chrmn., Dept. of Port and Ocean Engrg., Technical Univ. of Norway, Trondheim, Norway
2. Partner Engr., Marturet-Font-Cebrian, S. A., Consulting Engrs., Caracus, Venezuela
3. Assoc. Prof., College of Engrg., Univ. of Puerto Rico, Mayaguez, P.R.; formerly Special Asst. for Research, U. S. Army Engr. Waterways Exp. Station, Vicksburg, Miss.
4. Prof. (retired), Construction and Harbor Engrg., Technical Univ. of Norway, Trondheim, Norway
5. Hydraulic Engr.