1. Dir. of Research, SEATO Graduate School of Engrg., Bangkok, Thailand; presently, Dean of Engrg. and Prof. of Fluid Mechanics, Univ. of Illinois, Chicago, Ill.
2. Special Student, SEATO Graduate School of Engrg., Bangkok, Thailand; presently, Lecturer In Civ. Engrg., West Pakistan Univ. of Engrg. and Tech., Lahore, Pakistan