Field of excellence : Mathematics

1) Shrinivas Ramanujan

Field : Mathematics

a)  Famous for the Ramanujan prime, the          Ramanujan theta function.

b)  One of the Fellows of the Royal Society.

c)  The first Indian to be elected a Fellow of.      Trinity College, Cambridge.

2) Euclid 

Field : Geometry 

a)  Father of Geometry.

b)  His book 'Elements' served as the main textbook to teach Mathematics until the early 20th century.

3) Shakuntala Devi

Field : Numbers 

a)  Known as the human computer.

b)  6 years old : demonstrated her arithmetic abilities at the University of Mysore.

c)  In 2013, honoured with a Google Doodle for what would have been her 84th birthday.