The Pinkerton National Detective Agency, a private security force, was often hired to put down strikes during the labor disputes of the late nineteenth century. Most famously, the Pinkerton Agency clashed with strikers at Andrew Carnegie’s Homestead steel plant outside of Pittsburgh, Pennsylvania, in 1892.
Andrew Carnegie opened America’s largest steel plant in 1875 near Pittsburgh, Pennsylvania. An industrialist born in Scotland, Carnegie was a self-made man who had worked in textiles and railroads as a young man. Carnegie made a fortune in the steel industry but also made a name for himself as a philanthropist. In 1889, he published “The Gospel of Wealth,” an essay extolling the benefits of wealth as well as the responsibilities of the wealthy to the public.