1. Res. Asst. Prof., Dept. of Aerosp. Engrg., Univ. of Cincinnati, Cincinnati, OH 45221-0070; formerly, Grad. Res. Asst., Iowa Inst. of Hydr. Res., and Dept. of Mech. Engrg., Univ. of Iowa, Iowa City, IA 52242-1585.
2. Dir., Iowa Inst. of Hydr. Res.; Univ. of Iowa Found. Distinguished Prof., Dept. of Mech. Engrg., Univ. of Iowa, Iowa City, IA.