Michel Guillaume Jean de Crèvecœur (French pronunciation: [miʃɛl ɡijom ʒɑ̃ də kʁɛvkœʁ]; December 31, 1735 – November 12, 1813), naturalized in New York as John Hector St. John, was a French-American writer. He was born in Caen, Normandy, France, to the Comte and Comtesse de Crèvecœur (Count and Countess of Crèvecœur).
In 1782, in London, he published a volume of narrative essays entitled the Letters from an American Farmer. The book quickly became the first literary success by an American author in Europe and turned Crèvecœur into a celebrated figure. He was the first writer to describe to Europeans – employing many American English terms – the life on the American frontier and to explore the concept of the American Dream, portraying American society as characterized by the principles of equal opportunity and self-determination