Some modern architects believed that a structure's form had to be modified to suit its function. Who designed the Wainwright Building in St. Louis?

The Wainwright Building in St. Louis was designed by architect Louis Sullivan. Completed in 1891, it is often considered one of the first skyscrapers and exemplifies the principle of "form follows function," which Sullivan championed. The building's design reflects its purpose as an office space, with a tall, slender form and large Windows to maximize light.