1. Sushruta - Born in sixth century
B. C. He learnt surgery and medicine at the feat of Divodas Dhanvantary.
He was the first physician to advocate Caesarean operations.
He was expert in removing urinary stones, locating and
treating fractures , eye operations for cataract etc. His suggestion
to give wine to patients about to be operated upon, makes him also
the father of anaesthesia. In his treatise known as
Sushruta Samhita he has described 101 instruments, many of which are
similar to those used at present.
2. Charak - Born in 2nd century A. D.
Wrote the book Charak Samhita, a master piece in the field of Ayurvedic Medicines. He was the first physician to present the
concept of digestion, metabolism and immunity. According to him a
body functions because it contains there doshas or humours
viz. Bile, phelgum and wind. Illness is caused when the balance
of the three doshas is disturbed. He knew fundamentals of
genetics and also studied anatomy of the body.
3. Kanad - Born in 600 AD, was the
first to enunciate the atomic theory. According to him everything was made
up of Parmanus, which is the ultimate particle of the
material but does not exist in free state. It is eternal and
indestructible. Two or more parmanus, of similar nature or different nature, may
combine to produce new materials. He also gave an idea of
chemical change and effect of heat on parmanus or combined
4. Patanjali - Born in second century
B. C. He was the person who explained vividly the fundamentals of yoga
in his Yog Sutras. According to him there are channels called '
Nadis' and centres called 'Chakras' in human body and if these
are tapped properly, one can acquire super-natural powers. His
proclamations are now verified by several scientists throughout the world.