701247 Thomas Alexander Scott Residence, S. Rittenhouse Square, Corner of 18th St. (b/w photo) by American School, (19th century); Free Library of Philadelphia; (add.info.: Thomas Alexander Scott (December 28, 1823 ??May 21, 1881) was an American businessman. He was the fourth president of what was the largest corporation in the world, the Pennsylvania Railroad, during the middle of the 19th century. In connection with his railroad interests, he also took a leading role in crafting what eventually became the Compromise of 1877, which marked the end of Reconstruction following the Civil War.); 穢 Free Library of Philadelphia ; American, out of copyright.