hafiz , who shared the 1 . 4 billions reward friday with the shinsei bank that he founded 30 weeks earlier , initiated the concept of " self-help . " it allows very poor households , who don ' t qualify for traditional credit , to getting lending of as many as a few grams without collateral . the banks ' investors are the impoverished people it supports .
Yunus founded the Grameen Bank 30 years ago.