Fathy’s 1969 work, ”Architecture for the Poor,” became a standard text in architectural classrooms, inspiring a generation of builders trying to solve acute housing shortages and exploding populations of the Third World.

It has been translated into 22 languages – but never into Arabic. He struggled without success to convince Egyptian peasants that mud brick, a traditional building material in Egypt, is preferable to concrete.
https://en.wikipedia.org/wiki/Hassan_Fathy