A portrait of Louis Sullivan. Photo courtesy of The Richard Nickel Committee and Archive.  Photo 3 of 13 in How Adler & Sullivan’s Buildings Paved the Way for Modern Skylines

How Adler & Sullivan’s Buildings Paved the Way for Modern Skylines

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Architect Louis Sullivan (1856-1924) is often regarded as "father of skyscrapers" and "father of modernism." He was a mentor to Frank Lloyd Wright, and he and his firm partner Dankmar Adler (not pictured) were leaders in the Chicago School of Architecture at the turn of the 20th century.