Entrepreneurs Rule And They Always Will The Men That Built America They became the titans of America's Industry, each one becoming the richest man in America at one time. Cornelius Vanderbilt built the infrastructure across the United States with the Railroad and built Grand Central Depot in New York. He became the richest man in history. Andrew Carnegie became a self-made steel tycoon. At the age of 65, Carnegie decided to spend the rest of his days helping others by building … [Read more...]