Joseph L. Erb

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ASSOCIATED PRESS PHOTOGRAPHS Joseph Erb helps out students Cambria Bird (left) and Lauren Grayson in the fifth-grade class of the Cherokee Nation Immersion School in Tahlequah, Okla. Nearly two centuries after a Cherokee silversmith named Sequoyah developed a system of symbols for each syllable spoken by the Cherokee, the tribe's written language has become available on iPhones and iPods.