Wilhelm Flieger
Helen C. Chase
National Center for Health Statistics (U.S.)
India. Vital Statistics Division
United States. Children's Bureau
M. Rizgalla
Ellis, John
Oleko Tambashe
India. Office of the Registrar General & Census Commissioner
C. K. Ogden
Alison Macfarlane
Wilson H. Grabill
Population Council.
United Hospital Fund of New York
A. Robert Schnatter
Hugo Sellheim
China. Guo jia tong ji ju
Tomas Freyka
C. V. Drysdale