Louis Sullivan was an influential American architect. He was known equally Chicago's "Father of the skyscrapers" and "Male parent of modernism". His attention to detail, use of ornamentation on emerging alpine buildings of the late 19thursday century made him ane of the most influential architects of the modernist period. Apart from the above titles, Sullivan as well holds another 1 which is "the recognized trinity of American architecture".

The pattern principles he followed led to the revolutionary phrase 'Form follows Function.' However, Sullivan always credited the inspiration of the phrase to an older Roman architect Vitruvius. At the age of simply 24, Sullivan joined forces with Dankmar Adler as a full-time partner of Adler and Sullivan. Autonomously from his innovations in alpine edifice design, Sullivan too took time off to mentor at the Chicago School of compages. His time equally a critic at the Chicago School, Frank Lloyd Wright allowed mentoring under him.

Here are 15 projects of Louis Sullivan, that showroom his Modernist design skills:

1. Wainwright Edifice by Louis Sullivan

15 Projects by "Father of Skyscrapers" Louis Sullivan - Wainwright BuildingLocation: St. Louis, Missouri, USA
Type: Mixed-use Building
Year: 1891

The Wainwright Edifice is a 10-story, 41 1000 (135 ft) terra cotta office building. The wainwright building designed by Adler and 'Father of Skyscrapers' Sullivan is regarded as "an influential prototype of the modern office compages" by the National Register of Celebrated Places.  Architect Frank Lloyd Wright chosen the Wainwright Building "the very first human expression of a tall steel part-building as Architecture." In May 2013, it was listed past an episode of the PBS series as ane of "10 Buildings That Changed America" considering it was "the first skyscraper that truly looked the office." Wainwright building is a prime number example of Sullivan's Organic ornamentation. The most prominent being the frieze that rests below the deep cornice, the surface around the door of the master entrance, and the spandrels between the windows on different floors.

2. Carson, Pirie, Scott and Visitor Building

15 Projects by "Father of Skyscrapers" Louis Sullivan - Carson, Pirie, Scott and Company BuildingLocation: Chicago, Illinois, United states
Blazon: Commercial Building
Year: 1899

The edifice's signature features are marked past Sullivan'due south organic ornament, whose blueprint was inspired by plants. The bottom floors are clad in dark green cast atomic number 26, softened by elaborate foliated patterns. The edifice is remarkable for its steel-framed structure, which allowed a dramatic increase in window area created by bay-broad windows, which in turn allowed for the greatest amount of daylight into the building interiors. The pattern was the first use of what became known as the Chicago window.

3. Bayard–Condict Building by Louis Sullivan

15 Projects by "Father of Skyscrapers" Louis Sullivan - Bayard–Condict BuildingLocation: NoHo, Manhattan, New York City, New York, USA
Type: Function Building
Year: 1899

The Bayard-Condict Edifice was his solo committee piece of work in New York. Its significance is not in its peak only in its svelte façade, which substantially increased the glass window surface area in proportion to its solid wall, foreshadowing today'south curtain-of-glass high-rises. The building is accentuated by its ornamental friezes underneath the extruding cornices. This 13-storey façade is highly decorated with terra-cotta, peculiarly at the top of the edifice.

4. Krause Music Store

Krause Music StoreLocation: Chicago, Illinois, Usa
Type: Store
Year: 1922

The Krause Music Store is the last of the 126 buildings designed by Louis. The store showcases his graceful style with terra cotta. Sullivan designed the entire façade with decoration richly detailed in geometric and curvilinear forms of nature.

5. Spousal relationship Trust Building

15 Projects by "Father of Skyscrapers" Louis Sullivan - Union Trust BuildingLocation: St. Louis, Missouri, USA
Type: Office Building
Year: 1892- 1893

The Union Trust Edifice was built in a "U" shaped plan with two wings surrounding a fundamental light court. It was designed past Louis immediately after their famous Wainwright Building. Modifications of the start ii floors in 1924 eliminated some of the building's of import architectural elements such as its arched entryways and circular windows.  To a higher place that level, the building returns to its original characteristics, with uninterrupted brick shafts from the third to the 12th floor. At xiv stories height, it was once the tallest building in St. Louis for a few years. Today it is known for its unique and detailed ornamentation that spans throughout the three different sections of the edifice.

6. Prudential (Guaranty) Building by Louis Sullivan

15 Projects by "Father of Skyscrapers" Louis Sullivan - Prudential (Guaranty) BuildingLocation: Buffalo, New York, USA
Type: Mixed-Employ Building
Year: 1 894-1896

The Guaranty Building, formerly called the Prudential Edifice, is an early on skyscraper in Buffalo, New York. Sullivan's pattern for the building was based on his belief that "course follows function". It was completed in 1896 and was designed past Louis Sullivan (Father of Skyscrapers) and Dankmar Adler. He and Adler divided the building into four zones. The basement was the mechanical and utility expanse. The next zone was the ground-floor zone which was the public areas for street-facing shops, public entrances, and lobbies. The third zone was the role floors with identical office cells clustered around the central elevator shafts. The final zone was the terminating zone, consisting of elevator equipment, utilities, and a few offices. Ornamentation is 1 of the most defining characteristics of Guaranty. The Guaranty Edifice's striking terra cotta facade is adorned with gorgeous, intricate details. Sullivan sought to connect the edifice to the natural world past creating decoration inspired by the spreading branches of a tree at the summit of the building. Flowers, seed pods, and writhing green ironwork decorate the lower portions of the structure.

vii. Van Allen Building

15 Projects by "Father of Skyscrapers" Louis Sullivan - Van Allen BuildingLocation: Clinton, Iowa, USA
Type: Department Store
Year: 1913

The Iowa Architectural Foundation provides this concise description for the Van Allen Building: 'The outside has brick spandrels and piers over the structural steel skeletal frame. Terra cotta is used for horizontal accent banding and iii slender, vertically applied mullion medallions on the facade running through three stories, from ornate corbels at the second-floor level to huge outbursts of vivid dark-green terra cotta foliage in the attic.' These decorative accents are not only visually stunning, but they also create an optical illusion that the edifice is taller than its modest four stories. The final decoration is paired with blue-and-white tiles in an Art Nouveau manner by Father of Skyscrapers (Louis Sullivan)

eight. Garrick Theatre (Schiller Theatre Building)

15 Projects by "Father of Skyscrapers" Louis Sullivan - Garrick Theatre (Schiller Theatre Building) Location: Chicago, Illinois, USA
Blazon: Theatre
Twelvemonth: 1892

Designed by Louis Sullivan and Dankmar Adler and opened in 1892, the building was one of Chicago's tallest at the fourth dimension. In improver to its towering height, the edifice featured the elaborate ornamentation in its facade and interior that became a characteristic of Sullivan's work. Its centerpiece was a 1300-seat theatre, which is considered by architectural historians to be one of the greatest collaborations betwixt Adler and Sullivan.

nine. Dwelling Building Association Bank

15 Projects by "Father of Skyscrapers" Louis Sullivan - Home Building Association Bank Location: Newark, Ohio, USA
Type: Bank
Year: 1914

The Home Building Association Bank is a celebrated building designed by noted Chicago architect Louis Sullivan (Male parent of Skyscrapers). For this project, the architect was given a narrow lot merely made the building larger by making information technology 2 stories high, something that he did not typically do in his banks. The color scheme chosen hither deviates from his normal red-brown brick tapestry surface. Instead, the building is covered with grey-dark-green terra cotta slabs that are edged with typical Sullivanesque border designs. The ornamentation included a winged lion.

10. The Farmers and Merchants Union Bank

15 Projects by "Father of Skyscrapers" Louis Sullivan - The Farmers and Merchants Union Bank Location: Wisconsin, United states
Type: Bank
Yr: 1919

The beautifully ornamented banking concern, known as the Farmers & Merchants Union Depository financial institution, would be the last of eight pocket-size community banks Louis Sullivan designed. These eight banks would later go known equally Sullivan'south 'Jewel Boxes.' The exterior of this tall single-story structure is finished in tapestry brick with marble and terracotta trim. The main facade is two bays wide, with the building entrance in the right bay. Above these bays is an elaborately carved tall marble lintel, above which a half-round stained-drinking glass window is framed by a stone garland.

eleven. New Orleans Union Station past Louis Sullivan

New Orleans Union Station Location: New Orleans, Louisiana
Type: Railway Station
Year: 1892

New Orleans Union Station was the only railroad train station designed by the Begetter of Skyscrapers. It was constructed in the builder's well-known 'Chicago Schoolhouse' mode and decorated with his iconic ornament. Adler and Sullivan'south head draftsman Frank Lloyd Wright was involved in the final piece of work under Sullivan'due south supervision. Union Station was a three-story hip-roofed construction with a cupola, including function and waiting areas, with a broad portico with central columns and arched entryways at each terminate of the entrance.

12. Holy Trinity Orthodox Cathedral

Holy Trinity Orthodox Cathedral Location: Chicago, Illinois, USA
Type: Firm of Worship
Year: 1903

Holy Trinity Orthodox Cathedral is one of only two churches designed by Sullivan. The church resembles something picked out of a small town in Russia. Based on the Russian Provincial way, the church consists of an octagonal dome, a bell tower cantered over the front entrance, roof peaks surmounted past the distinctive three-barred Russian cross. Abstract decorative designs were carved and painted in the woodwork, betraying the influence of the Art Nouveau and Arts and Crafts movements. Interpreting traditional styles through a contemporary lens allowed Sullivan to create what he hoped would exist considered 1 of the most unique and poetic buildings in the state.

13. Carrie Eliza Getty Tomb by Louis Sullivan

Carrie Eliza Getty Tomb Location: Chicago, Illinois, U.s.a.
Type: Tomb
Year: 1890

The Getty Tomb has been said to be the nearly pregnant piece of architecture in Graceland cemetery and the beginning of Sullivan's involvement in the architectural style known as the Chicago School. The Getty Tomb marks the maturity of Sullivan'due south architectural fashion and the kickoff of mod architecture in America.

14. Auditorium Building, Illinois

15 Projects by "Father of Skyscrapers" Louis Sullivan - Auditorium BuildingLocation: Chicago, Illinois, USA
Type: Mixed-Use Building
Twelvemonth: 1889

The Auditorium Building reflects strongly on the phrase 'When business and the arts collide, beautiful architecture tin emerge.' The Auditorium designed along the lines of the Art Nouveau motility by Adler and Sullivan sets an example of how civic amenities and art can be combined in a simple yet outstanding mode. Similar all Sullivan's buildings, this besides is adorned with organic ornament. In this project, Sullivan emphasized both massing and the rhythm of repetitive window patterns, by using load-bearing stone walls of various textures and colors.

15. Ann Halsted House

Ann Halsted House Location: Chicago, Illinois, U.s.
Type: Residence
Year: 1883 – 1884

Ann Halsted house is the oldest surviving residence designed by Dankmar Adler and Louis Sullivan. The brick house is designed in the Queen Anne style, which can be seen in its pointed bay windows and the detailed brickwork on the cornices and chimneys on the sides of the house. Sullivan'south influence on the home'southward exterior can mainly be seen in the dormers at the forepart and back and in the pediments on the sides.