Perspectives in Human Growth, Development and Maturation

One morning in 1969, out of the blue, I received a letter which both distressed and astonished me. It was from a Prof. S. R. Das in Calcutta, who requested me to accept, for eventual analysis, a mountain of anthropometric data he had accumulated, as he was ill and did not expect to survive to analyse it himself. The data provided the astonishment; twenty-two anthropometric characters recorded every six months or a year, over a period of 14 years, in a mixed longitudinal study of some 560 ch...