1. Prof., and Director, Aeronautical Laboratory, California Inst. of Technology, Pasadena, Calif
2. Chf. Designer, Quinton, Code & Hill-Leeds & Barnard, Engrs., Consolidated, Los. Angeles, Calif
3. Civ. Engr, (Allen & Rowe), San Diego, Calif.
4. Göttlngen, Germany
5. Chf. Designing Engr., Pasadena Water Dept., Pasadena, Calif
6. Teaching Fellow, California Inst. of Technology, Pasadena, Calif
7. Asst. Engr., Pasadena Water Dept., Pasadena, Calif
8. New York, N. Y.
9. Director, Experiment Station of Public Works, Home Dept., Japanese Govt.; Prof., Civ. Eng. Dept., Tokyo Univ., Tokyo, Japan