1. Dir., Inst. of Hydr. Research, The Univ. of Iowa, Iowa City, Iowa; presently a Fulbright Fellow at Inst. für Hydromechanik, Univ. Karlsruhe, Karlsruhe, West Germany
2. Research Engr., Tennessee Valley Auth., Engrg. Lab., Norris, Tenn
3. Research Sci., Flow Research, Inc., Seattle, Wash