Complex sentence: Back in Knoxville, Tyson returned to private law practice, and organized the Knoxville Cotton Mills, which would grow to become one of Knoxville's major textile companies in the early 20th century.
Split into simpler sentences: Back in Knoxville, Tyson returned to private law practice. He organized the Knoxville Cotton Mills, which would grow to become one of Knoxville's major textile companies in the early 20th century.