Nicolas de Harlay, seigneur de Sancy Maximilien de Béthune, duc de Sully. Meanwhile he had been a second time converted to Catholicism, but his influence at court waned, and he retired from public life in 1605. He survived until 13 October 1629, leaving a "Discours sur l'occurrence des affaires". His son, Achille Harlay de Sancy (1581–1646), was bishop of Saint-Malo. The Sancy diamond's known history began circa 1570 in Constantinople when purchased by de Sancy. Something of a gem connoisseur, de Sancy used his knowledge to prosperous advantage. Henry III of France suffered from premature baldness and tried to conceal this fact by wearing a cap.
3M Technologies Corp. for about $37.4 million in cash, after AiT had strongly hinted it had put itself on the auction block. On December 20, 2005, 3M announced a major partnership with Roush Fenway Racing, one of NASCAR's premier organizations. In 2008, the company sponsored Greg Biffle in the NASCAR Sprint Cup Series as he drove the No. 16 Ford Fusion. In addition, on February 19, 2006, 3M announced that it would become the title sponsor of the 3M Performance 400 at Michigan International Speedway until 2011. On April 4, 2006, 3M announced its intention to sell its pharmaceutical non-core business.