 It gives an overview of the agronomic, economic and social aspects of this activity and describes the traditional techniques of spinning and weaving.It all started while undertaken field work on another investigation (traditional production of sugar cane and brown sugar), he accidentally met three old ladies that were processing cotton fibre by ancient techniques.The results of this research were published in three places (two editions of " Vida y muerte del algodón y los textiles santandereanos ", Universidad Javeriana, 1981, new and revised edition, editorial Ecoe, 1989; " Historia del algodón en Santander ", Banco de la República, 1990).