Al-Kindi was a pioneer in chemistry, physics, psycho–somatic therapeutics, geometry, optics, music theory, as well as philosophy of science. His significant mathematical writings greatly facilitated the diffusion of the Indian numerals into S.W. Asia & N. Africa (today called ‘Arabic numerals’). A distinctive feature of his work was the conscious application of mathematics and quantification, and his invention of specific laboratory apparatus to implement experiments. Al-Kindi invented a mathematical scale to quantify the strength of a drug; as well as a system linked ........ [click here to download the full article in pdf ]