![How Andrew Carnegie's Genius and Blue-Collar Grit Made Pittsburgh the Steel City | What It Means to Be American How Andrew Carnegie's Genius and Blue-Collar Grit Made Pittsburgh the Steel City | What It Means to Be American](https://www.zocalopublicsquare.org/wp-content/uploads/2017/04/Kobus-on-Steel-Steel-Bessemer_molten_iron-CLP-1-600x470.jpg)
How Andrew Carnegie's Genius and Blue-Collar Grit Made Pittsburgh the Steel City | What It Means to Be American
![ROW OF INGOT CARS AND INGOTS IN THE PRIMARY MILL BUILDING LOOKING EAST. - U.S. Steel Duquesne Works, Primary Mill, Along Monongahela River, Duquesne, Allegheny County, PA; Carnegie, Andrew; Carnegie Steel Company; ROW OF INGOT CARS AND INGOTS IN THE PRIMARY MILL BUILDING LOOKING EAST. - U.S. Steel Duquesne Works, Primary Mill, Along Monongahela River, Duquesne, Allegheny County, PA; Carnegie, Andrew; Carnegie Steel Company;](https://c8.alamy.com/comp/TWGWTX/row-of-ingot-cars-and-ingots-in-the-primary-mill-building-looking-east-us-steel-duquesne-works-primary-mill-along-monongahela-river-duquesne-allegheny-county-pa-carnegie-andrew-carnegie-steel-company-us-steel-corporation-TWGWTX.jpg)
ROW OF INGOT CARS AND INGOTS IN THE PRIMARY MILL BUILDING LOOKING EAST. - U.S. Steel Duquesne Works, Primary Mill, Along Monongahela River, Duquesne, Allegheny County, PA; Carnegie, Andrew; Carnegie Steel Company;
![How Andrew Carnegie's Genius and Blue-Collar Grit Made Pittsburgh the Steel City | Essay | Zócalo Public Square How Andrew Carnegie's Genius and Blue-Collar Grit Made Pittsburgh the Steel City | Essay | Zócalo Public Square](https://www.zocalopublicsquare.org/wp-content/uploads/2017/04/LEAD-IMAGE-CROP-Kobus-on-Steel-Men-at-Crucbile-copy.jpg)