MIFFLIN, Thomas, a Delegate from Pennsylvania; born in Philadelphia, Pa., January 10, 1744; was graduated from the University of Pennsylvania at Philadelphia in 1760; member of the American Philosophical Society 1765-1799; member of the colonial legislature 1772-1774; Member of the Continental Congress 1774-1775 and 1782-1784, and was its president in 1783; major and chief aide-de-camp to General Washington July 4, 1775; major and Quartermaster General of the Continental Army August 14, 1775, and promoted through the ranks to major general February 19, 1777; member of board of war November 7, 1777; resigned as major general February 25, 1779; trustee of the University of Pennsylvania 1778-1791; served as speaker of the state house of representatives 1785-1788; delegate to the Federal Constitutional Convention in 1787; president of the supreme executive council of Pennsylvania October 1788 to October 1790; president of the state constitutional convention in 1790; Governor of Pennsylvania 1790-1799; again a member of the state house of representatives in 1799 and 1800; died in Lancaster, Pa., January 20, 1800; interment in the front yard of Trinity Lutheran Church.