Like today, one hundred years ago air pollution was a matter of grave concern in the world's most polluted cities. In the wake of its famous 1908-9 social survey, the City of Pittsburgh commissioned an "Economic Survey of Pittsburgh" from John T. Holdsworth, a prominent institutional economist...

"Philanthropy has long been associated with images of industrial titans and wealthy families. In Pittsburgh, long a center for industry, the shadows of Carnegie, Mellon, Frick, and others loom especially large, while the stories of working-class citizens who uplifted their neighbors remain...