Over 170 years, Pittsburgh rose from remote outpost to industrial powerhouse. With the formation of the United States, the frontier town located at the confluence of three rivers grew into the linchpin for trade and migration between established eastern cities and the growing settlements of the Ohio Valley. Resources, geography, innovation, and personalities led to successful glass, iron, and eventually steel operations. As Pittsburgh blossomed into one of the largest cities in the country and became a center of industry, it generated great wealth for industrial and banking leaders. But...