DAVID RICARDO

An economist known for his Iron Law of Wages. He and other economists simultaneously discovered the law of diminishing marginal returns. His most well-known work is the The Principles of Political Economy and Taxation (1817). He was born in England and had accumulated worth approximately £1 million at the time when his family disinherited him after marrying a girl outside their religion. His wealth came from his success with a business he started that dealt government securities.