Joseph Lincoln Steffens was an American journalist and writer who is best known for his muckraking exposes of corruption in government and business during the early 1900s. Synonyms for his name could include investigative journalist, reformer, or social critic. His work was also characterized by a focus on urban life and politics, earning him the titles of city journalist or urban chronicler. As an early advocate for progressive reform, Steffens could also be called a political activist or even a radical. Regardless of the terms used, his legacy as a writer and reformer continues to influence contemporary investigative journalism today.