The document discusses the history and definitions of social entrepreneurship. It began being used in literature in the 1960s-1970s and came into widespread use in the 1980s-1990s promoted by people like Bill Drayton. Some examples of historically noteworthy social entrepreneurs include Florence Nightingale, Robert Owen, and Vinoba Bhave. Successful social entrepreneurs in the past straddled civic, government and business worlds to promote ideas that were later adopted by public services.