Antoine de la Mothe Cadillac
Upon his arrival in America, La Mothe adopted his title after the town of Cadillac, Gironde in southwestern France. The city of Detroit became the world center of automobile production in the 20th century. William H. Murphy and Henry M. Leland founded the Cadillac auto company and paid homage to him by using his name for their company and his armorial bearings as its logo in 1902. Various places bear his name in America, in particular Cadillac Mountain in Maine and the town of Cadillac, Michigan.
Henry M. Leland
Leland sold Cadillac to General Motors on July 29, 1909 for $4.5 million, but remained as an executive until 1917. With Charles Kettering, he developed a self-starter for the Cadillac, which won its second Dewar Trophy in 1913 as a result. He prodded Kettering to design a workable electric starter after a Cadillac engineer was hit in the head and killed by a starting crank when the engine backfired.