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'''Louis Sullivan''' (1856 – 1924) was an [[American]] [[architect]]. He is acknowledged as the father of the modern skyscraper.

'''Louis Sullivan''' (1856 – 1924) was an [[American]] [[architect]]. He is acknowledged as the father of the modern skyscraper. He was also a mentor for [[Frank Lloyd Wright]], who worked for Sullivan early in Wright's career.

 

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''"form ever follows function"''

''"form ever follows function"''

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[[Image:Guaranty building Chicago.jpg|thumb|left|220px|Guaranty building, Chicago]]

[[Image:Guaranty building Chicago.jpg|thumb|left|220px|Guaranty building, Chicago]]

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One of Sullivan's most notable contributions was the creation of a form appropriate to the tall commercial office building. Rather than stressing the horizontal layers of each story, he emphasized the vertical rise of these buildings. Verticality was made possible by steel frame construction and the use of light materials such as terra cotta, which had a malleability appropriate for carrying out his ornament. [http://web.mit.edu/museum/chicago/sullivan.html]

One of Sullivan's most notable contributions was the creation of a form appropriate to the tall commercial office building. Rather than stressing the horizontal layers of each story, he emphasized the vertical rise of these buildings. Verticality was made possible by steel frame construction and the use of light materials such as terra cotta, which had a malleability appropriate for carrying out his ornament. [http://web.mit.edu/museum/chicago/sullivan.html]