2. From brewer to bio-tech entrepreneur Kiran Mazumdar-Shaw trained as a master brewer and then used her skills to create a pharmaceuticals business. She employed uneducated workers and paid good wages. When the trade unions revolted, Kiran fired the workers, mechanized, and hired only highly skilled workers. She became a billionaire and opened a cancer treatment center to help thousands of poor patients.

Source: The New Yorker, January 2, 2012