English novelist, pamphleteer and journalist Daniel Defoe is best known for his novels 'Robinson Crusoe' and 'Moll Flanders.'Who Was Daniel Defoe?Daniel Defoe became a merchant and participated in several failing businesses, facing bankruptcy and aggressive creditors. He was also a prolific political pamphleteer which landed him in prison for slander. Late in life he turned his pen to fiction and wrote Robinson Crusoe, one of the most widely read and influential novels of all time.