The making of a classic: the 1974 Durnin–Womersley body composition paper.

The article presents the discussion on judging to ‘be of a satisfactory degree of accuracy' while estimating body fat. Topics include proposing a series of initial body density equations solving for two components of body mass such as fat mass and fat-free mass (FFM); and curvilinear relationship between skinfold thickness and body density which being a proxy at the time for body fat content.