it is medicine
The major contributions are * India as a single nation and * English
One of his major contributions was his innovated treatment of algebraic expressions.
Made more major contributions to science. And then he worked for the government, including mine safety, lighthouses, and pollution control.
See the link below
he glomped up.
Electricity of course!
no
Archimedes was not a chemist.
he contributed his plays!
There are many major contributions that someone may have two a company. Some people have implemented plans to make the company more efficient for example.
His contributions to projective geometry.