Greenleaf, Joseph (1720-1809)

Printer and propagandist.

Justice of the peace for Plymouth County, Massachusetts. Wrote for Massachusetts Spy (1771-). Served on Boston committee of correspondence (1772-). Established a printing house in Boston (1773) and printed the Royal American Magazine (1774-75). Appointed to a congressional committee to establish an independent postal service (1775). Appealed to Franklin to facilitate the exchange of his son Thomas, later a well-known journalist, who was then a prisoner of war at Portsmouth (1779).

Married Abigail Paine, sister of Robert Treat Paine.