Some are a rags-to-riches story, others extraordinary minds, yet others possessed of a pioneering spirit that has influenced the lives of millions.
They all have -- or had -- that rare acumen for entrepreneurship that has made them legends in business folklore.
Yes, India too has its share of extraordinary entrepreneurs and wealth creators:
Also read: L N Mittal is the richest Indian
Jamsetji Tata, founder of the Tata empire; Dhirubhai Ambani, founder of Reliance group; J R D Tata, who took the Tata group to unprecedented heights; G D Birla, founder of the Birla group; L N Mittal, chairman of the world's largest steel company; N R Narayana Murthy, co-founder
But who among them has had the biggest impact on India? Who do you think is -- or has been -- India's greatest entrepreneur?