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:
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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 of Infosys Technologies; Kumar Mangalam Birla, chairman of the Aditya Birla Group; Verghese Kurien , father of India's Operation Flood and former chief of Amul; Ratan Tata, who has taken the Tata group even further ; Azim Premji, the Wipro czar; Vijay Mallya, UB group's flamboyant chairman; Subhash Chandra, founder of the Zee group . . . and many others.
But who among them has had the biggest impact on India? Who do you think is -- or has been -- India's greatest entrepreneur?