The illiterate Cherokee known as Sequoyah watched in awe as white settlers made marks on paper, convinced that these "talking leaves" were the source of white power and success. This inspired the consuming ambition of his life: to create a Cherokee written language. Born around 1770 near present-day Knoxville, Tenn., he was given the name George Gist (or Guess) by his father, an English fur trader, and his mother, a daughter of a prominent Cherokee family. But it was as Sequoyah that around 1809 he started devising a writing system for the spoken Cherokee language. Ten years later, despite the...