Long known as "the Shoals," Muscle Shoals saw its formal birth as an incorporated city in 1923. It really sprang to life in 1933, when the Tennessee Valley Authority took shape on the Tennessee River and became the nation's largest public power company. The construction crew for the Wilson Dam and power plant was one of the region's first racially integrated workforces. Some truly influential figures of the 20th century came to Muscle Shoals to witness...