This scientist received more than 1,300 patents for a range of items including the automatic telegraph machine, the phonograph, improvements to the light bulb, a modernized telephone and motion picture equipment.
Completed in 1869 at Promontory, Utah, it linked the eastern railroad system with California's railroad system, revolutionizing transportation in the west
a joint-stock company organized in 1863 and reorganized in 1867 to build the Union Pacific Railroad. It was involved in a scandal in 1872 in which high government officials were accused of accepting bribes.
Established the ICC (Interstate Commerce Commission) - monitors the business operation of carriers transporting goods and people between states - created to regulate railroad prices
A Scottish-born American industrialist and philanthropist who founded the Carnegie Steel Company in 1892. By 1901, his company dominated the American steel industry.
First federal action against monopolies, it was signed into law by Harrison and was extensively used by Theodore Roosevelt for trust-busting. However, it was initially misused against labor unions
Leader of the American Railway Union, he voted to aid workers in the Pullman strike. He was jailed for six months for disobeying a court order after the strike was over.