abhijit banerjee thinks that's a mistake. we caught up with him where he is currently a guest professor at the university of kiel... >> this is the baltic sea. boats are moored in the harbor near the upscale kiel yacht club. abhijit banerjee of india, is familiar with the world of the well-off. he has a ph.d from harvard and teaches today at the elite university m.i.t. he was born in calcutta, into a very different life. >> it happened to be after my grandfather build his house that the area became a large slum. and so i played with kids who had a very different background. i mean they lived next doors so i've played with them and i often felt like, you know, they had a better life because they didn't have to go to school. >> the issue of poverty continues to influence his life. at the kiel institute for the world economy he is presenting his work. after long research projects in asia and africa, banerjee says there's no quick fix for fighting poverty, because economic conditions are different in every region. >> we say it's

at the age of 12 shubham banerjee learned how random the universe can be. seemingly inqening thing occurs and in this case the ring of a doorbell and life changes, in a big way. >> i looked out and no one was there. but i did see a flyer over there and whiched ask for donations for the visually impaired. i asked-- i didn't know y i just asked a random question to my parents, how do blind people read. they didn't really have time for me so they said sorry, i'm busy. can you go google it. >> and one thing lead to another. shubham whose previous ambition had been to quarterback his football team, learned that a diminishing number of the blind read braille. in part voice recognition technology has taken away the need. but the now 13-year-old became convinced that the cost of a braille printer which expands the reading universe for the blind is prohibitive. >> i found out it was $2,000 onwards. many people don't really have the-- are not that privileged to own one. and that's when i decided to try and hack together a braille printer and a lego's mindstorms ev3 k