The document summarizes characteristics of different types of entrepreneurs and small business owners over time. It discusses the evolution from original classic entrepreneurs in the 1700s-1950s who were loners seeking wealth and risk takers, to contemporary entrepreneurs today who can be team players, socially connected, and either seeking wealth or accepting average income. It also outlines different types of entrepreneurial careers like habitual entrepreneurs and harvest entrepreneurs who have exit plans. Finally, it discusses challenges commonly faced by family businesses, women and minority entrepreneurs, and late career entrepreneurs.