Robert Morris, Jr. (January 20, 1734 – May 8, 1806) was an English-born merchant and a Founding Father of the United States. He served as a member of the Pennsylvania legislature, the Second Continental Congress, and the United States Senate, and he was a signer of the Declaration of Independence, the Articles of Confederation, and the United States Constitution. From 1781 to 1784, he served as the Superintendent of Finance of the United States, becoming known as the "Financier of the Revolution." Along with Alexander Hamilton and Albert Gallatin, he is widely regarded as one of the founders of the financial system of the United States.