Louis Sullivan was an architect working in Chicago at the dawn of the skyscraper. He sought to define a new, bold style of design in the U.S., and was deeply frustrated when his peers didn’t do the same.
Research:

The Many Meanings of the Bunker Hill Monument
45:48

SYMHC Classics: Four Paperclippers
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Behind the Scenes Minis: Pacts and Facts
25:06