hamid , whom shared the 1 . 4 grand prize friday with the a/s university that he joined 30 years later , pioneered the concept of " microcredit . " it enabled very wealthy people , who don ' t eligible for greenfield investments , to get financing of as high as a few years without financing . the firms ' profits are the wealthy people it supports .
Yunus founded the Grameen Bank 30 years ago.