MAIN TEXT The names 'Design for All',

'Transgenerational Design ' are all used to refer to a relatively recent movement in which, though in practice it uses the technology and the knowledge of ergonomics – a science that made great progress during the second half of the 20th century –, performance is not the end goal. In Design for All, ergonomics is a valuable instrument but not the final objective. The aim of this paper is to identify the foundations of the Design for All movement and how they have developed over history. Statistics and demographic trends The statistics for disability in the world are staggering and the argument that disabled people are a minority no longer holds. The latest and most rigorous work at international level on disability is the Worl