Ideal vs. Normal.
—The necessity for this distinction regarding weight standards in general has been set forth by the Medico-actuarial Committee 1912, by me in 1917, and by Benedict and Talbot in 1921.Regarding boys in particular, as long ago as 1877 and 1879 Bowditch observed that children of the professional and mercantile classes are larger than those of the laboring classes, and also (a paradox, now explicable by the statements of Benedict and Talbot) that among the latter the weight of the children of the skilled is less than that of the sons of the unskilled. Presumbably, that means, weight less in relation to height.Different standards for the different classes seem, however, not to have been considered seriously, until in Germany, Camerer, in 1901, published observations from his office practice, and Friedenthal, in 1914, maintained that what be called the "cultured type" must be judged by
GRAY H. IDEAL TABLES FOR SIZE AND WEIGHT OF PRIVATE SCHOOL BOYS. Am J Dis Child. 1921;22(3):272-283. doi:10.1001/archpedi.1921.04120030051005