Complex sentence: The community is named for Richard Calvin McCalla, a well known civil engineer, who served as chief engineer of several railroads throughout the South, including the Alabama and Chattanooga, the Tuscaloosa and Northern and the Knoxville and Ohio.
Split into simpler sentences: The community is named for Richard Calvin McCalla, a well known Civil Engineer. Richard C. McCalla served as chief engineer of several railroads throughout the South; including the Alabama and Chattanooga, the Tuscaloosa and Northern and the Knoxville and Ohio.