What Did Railroad Barons Do?

What Did Railroad Barons Do? Railroad tycoons were the early industrial pioneers amassing or overseeing construction of many large railroads through the early 20th century. These men, names like James Hill, Jay and George Gould, Cornelius Vanderbilt Who were the 4 railroad barons? The Big Four—Collis Huntington, Mark Hopkins, Leland Stanford and Charles Crocker—ruled California