Complex sentence: Henry Martyn Leland (February 16,1843--March 26,1932) was a machinist, inventor, engineer and automotive entrepreneur who founded the two premier American luxury marques, Cadillac and Lincoln.
Split into simpler sentences: Henry Martyn Leland (February 16,1843--March 26,1932) was a machinist, inventor, engineer and automotive entrepreneur. He founded the two premier American luxury automotive marques, Cadillac and Lincoln.