Michel Lullin de Châteauvieux (Genève, 15 September 1695 - Genève, 19 March 1781) was a Genevan nobleman, agronomist and experimenter on agriculture, known for the design of many agricultural instruments. Biography Michel Lullin de Chateauvieux was born in Geneva, Republic of Geneva where his father Charles Lullin de Chateauvieux (1669-1761), descendant of a patrician family, was working as counselor and trustee. He took his studies in philosophy at the University of Geneva. In 1714 M. de Chateauvieux started working as lawyer and became counsellor in 1738. During the riots of 1734, he, Pierre Mussard and Jean-Louis Du Pan commissioned Jean-Jacques Burlamaqui to report on the notices of appeal of the old citizens (citoyens) and of the new citizens (bourgeois). He became trustee of the city council of Geneva three times in the period between 1740 and 1748. Between 1752 and 1777 he was premier of the syndic of the canton of Geneva seven times. M. de Chateauvieux devoted much of his spare time to agricultural experiments, corresponded internationally with Henri Louis Duhamel du Monceau from France on agricultural matters, and co-founded the "Société pour l'encouragement des Arts et de l'Agriculture" (Society for the Encouragement of Arts and Agriculture) in 1763/1776. Among the many agricultural instruments he designed and improved was a seed drill invented in 1754. He corresponded about his work with Henri Louis Duhamel du Monceau, who published some of these letters in his Traité de la culture des terres suivant les principes de M. Tull, Anglois. (Treaty of land cultivation following the principles of the English Mr. Tull) in 6 volumes, 1750-56. M. de Chateauvieux also corresponded with other scientists of his time, such as Jean-Jacques Rousseau, Voltaire, and George Washington. M. de Chateauvieux married Susanne Saladin (1699-1774) on 22 September 1720, and they had four children. Among his grandsons was the Swiss author Charles Jean Marc Lullin de Châteauvieux (1752-1833), and his brother, the agronom Michel Lullin de Chateauvieux (1754 - 1802). Part of the family were residents of "Le château de Choully", or Choully Castle. Work M. de Chateauvieux successfully conducted several experiments to increase crops, particularly cabbage, lucerne, and developed several agricultural implements. He corresponded about the outcomes of his work with Duhamel, who published his letters as articles in his Traité de la culture des terres suivant les principes de M. Tull, Anglois. One of his discoveries, according to Walter Harte (1764), was "the