AL-RAZI (RHAZES) AL-RAZI (RHAZES) (864-930 C.E.)(864-930 C.E.)

Earned the title of Earned the title of “FATHER OF PAEDIATRICS”“FATHER OF PAEDIATRICS” by writing his monograph on “Diseases in Children”. by writing his monograph on “Diseases in Children”.

AL-HAWIAL-HAWI is a most monumental work of him. is a most monumental work of him. It is the most comprehensive encyclopedia of medicine in 20 volumes. It is the most comprehensive encyclopedia of medicine in 20 volumes.

He was first to used animal for surgical operations .He was first to used animal for surgical operations .

He was first to used Opium as anesthetic during surgery . He was first to used Opium as anesthetic during surgery .

First to classify substances into vegetables, animals and minerals. First to classify substances into vegetables, animals and minerals.

He Correctly described the  physiology of the heart  and the function of  its valves.He Correctly described the  physiology of the heart  and the function of  its valves.

Treatise on the  venous system, accurately describing  the function of the veins  Treatise on the  venous system, accurately describing  the function of the veins  and their valves, and their valves,

AL-RAZI (RHAZES) AL-RAZI (RHAZES) (864-930 C.E.)(864-930 C.E.)

In addition to being a physician, he compounded medicines and, in his later years, In addition to being a physician, he compounded medicines and, in his later years, gave himself over to experimental and theoretical sciences. gave himself over to experimental and theoretical sciences.

His description of chemical knowledge is in plain and plausible language. His description of chemical knowledge is in plain and plausible language.

One of his books called One of his books called Kitab-al-AsrarKitab-al-Asrar deals with the preparation of chemical deals with the preparation of chemical materials and their utilization. materials and their utilization.

Another one was translated into Latin under the name Another one was translated into Latin under the name Liber Experi- mentorum. Liber Experi- mentorum.

He went beyond his predecessors in dividing substances into plants, animals and He went beyond his predecessors in dividing substances into plants, animals and minerals, thus in a way opening the way for inorganic and organic chemistry. minerals, thus in a way opening the way for inorganic and organic chemistry.

AL-RAZI (RHAZES) AL-RAZI (RHAZES) (864-930 C.E.)(864-930 C.E.)

He has portrayed in great detail several chemical reactions and also given full He has portrayed in great detail several chemical reactions and also given full descriptions of and designs for about twenty instruments used in chemical. descriptions of and designs for about twenty instruments used in chemical.

As a chemist, he was the first to produce sulfuric acid together with some other As a chemist, he was the first to produce sulfuric acid together with some other acids, and he also prepared alcohol by fermenting sweet products. acids, and he also prepared alcohol by fermenting sweet products.

He discusses their characteristics in detail and his concepts of space and time as He discusses their characteristics in detail and his concepts of space and time as constituting a continuum are outstanding. He was a prolific author, who has left constituting a continuum are outstanding. He was a prolific author, who has left monumental treatises on numerous subjects. monumental treatises on numerous subjects.