Water has always been considered one of the essential elements to sustain animal and plant life. This is indicated by the writings of early Greek philosophers like Plato and Aristotle who believed water to be one of the five “elements” which constituted every item on earth. Some two thousand years later, Leonardo di Vinci considered water as the driver of nature.
By Asit K. Biswas, Chapter of the book Operation of Complex Water Systems, edited by Emanuele Guggino, Giuseppe Rossi and David Hendricks, 1983, Springer, Dordrecht, pages
. DOI: 10.1007/978-94-009-6807-3_19