1. Chanakya - One of the greatest figures of wisdom and knowledge in the Indian history is Chanakya. He is estimated to have lived from 350 - 283 B.C. Chanakya is touted as the "Pioneer Economist of India".
Chanakya was the adviser and Prime Minister of Emperor Chandragupta. Chanakya was a professor at the University of Takshila (located in present day Pakistan) and was an expert in commerce, warfare, economics, etc. His famous works include Chanakya Neeti, Arthashastra and Neetishastra.
About Chanakya and Chanakya neeti is available for download.