The Giant Buildings

The first skyscraper, Chicago's Home Insurance Building (1885), owes its height not to stone but to a steel frame. Many at the time judged these towers physically and nervously dangerous.

Chicago's Home Insurance Building, inaugurated in 1885, is generally considered the first modern skyscraper: engineer William Le Baron Jenney replaced the thick load-bearing wall with a metal frame. Walls no longer support the building, they clothe it; freed from masonry, construction can rise much higher with lighter structure. Many at the time judged these towers physically and nervously dangerous—doctors mentioned dizziness, nervous disorders, and supposed effects of wind or altitude on occupants.

Height worried because it was unprecedented in daily experience. The plunging perspective from upper floors, until then reserved for bell towers and castle towers, nourished genuine urban anxiety. Criticisms weren't merely aesthetic: they concerned the body, human capacity to inhabit air above the city.

Two innovations however made towers livable: the steel frame and the safe elevator—Otis's brake dates from 1853. Together, they tipped the city vertical and imposed, from Chicago then New York, an entirely new urban silhouette. The skyscraper wasn't born from aesthetic audacity alone: it was born when structure and confidence caught up with height's ambition.