Nicholas Kristof of The New York Times called him "one of the unsung heroes of modern times." Fazle Hasan Abed was a mild-mannered accountant who may be the most influential man most people have never even heard of. As the founder of BRAC, his work had a profound impact on the lives of millions. A former finance executive with almost no experience in relief aid, he founded BRAC, originally the Bangladesh Rehabilitation Assistance Committee,...