Question: What college campus contains The Cathedral of Learning, designed by Charles Zeller Klauder?

full_context: Document 1: Tower at PNC Plaza: The Tower at PNC Plaza is a skyscraper in Pittsburgh, Pennsylvania. It is the corporate headquarters of the PNC Financial Services Group and has approximately 800,000 sqft , standing 33 stories (545 feet) tall. Nearby buildings totaling 37,000 sqft , were purchased by PNC and deconstructed to make space for the Tower at PNC Plaza. The project was estimated to cost $400 million when announced in 2011 (or $ today).
Document 2: Main Quad (Stanford University): The Main Quadrangle, or more commonly Main Quad or simply Quad, is the heart and oldest part of Stanford University in California. The collection of connected buildings was started in 1887 and completed in 1906. The Quad was damaged in the 1906 earthquake, repaired, less severely damaged in an 1989 earthquake, and repaired again. The exteriors have remained almost the same since the beginning, though the interiors of most of the buildings have changed radically. The Main Quad is still used for its original purposes of teaching, research, and administration.
Document 3: Kansas City Power and Light Building: The Kansas City Power and Light Building (also called the KCP&L Building and the Power and Light Building) is a landmark skyscraper located in Downtown Kansas City, Missouri. The building was constructed by Kansas City Power and Light in 1931, as a way to promote new jobs in Downtown Kansas City. Since then, the Art Deco structure has been a prominent part of the Kansas City skyline. The structure was the tallest building west of the Mississippi River upon its completion after succeeding the Smith Tower until completion of the Space Needle in 1962. The east side of the building faces the Power & Light District which bears its name, and the building's iconic lantern appears on promotional materials and signage for the district and even Kansas City as a whole.
Document 4: Ritcher House: The Ritcher House is considered to be one of the best examples of Frank Lloyd Wright's Usonian mode of design in North Carolina. Located near downtown Raleigh, the house is one of many Modernist houses that were built in the city during the mid-20th century. Most of these homes were designed by faculty members of the North Carolina State University School of Design. Established in 1948 by Henry Kamphoefner, the school hired several Modernist architects as faculty members. Kamphoefner was awarded the North Carolina Award for Fine Arts in 1978 for his work and for his encouragement of other Modernists to build and design homes in the state. On September 21, 1994, the Ritcher House was listed on the National Register of Historic Places. The house is also a Raleigh Historic Landmark.
Document 5: University of Pittsburgh: The University of Pittsburgh (commonly referred to as Pitt) is a state-related research university located in Pittsburgh, Pennsylvania. In 1787 after the American Revolutionary War, it was founded on the edge of the American frontier as the Pittsburgh Academy. It developed and was renamed as Western University of Pennsylvania by a change to its charter in 1819. After surviving two devastating fires and various relocations within the area, the school moved to its current location in the Oakland neighborhood of the city; it was renamed as the University of Pittsburgh in 1908. For most of its history, Pitt was a private institution, until 1966 when it became part of the Commonwealth System of Higher Education.
Document 6: Cathedral of Learning: The Cathedral of Learning, a Pittsburgh landmark listed in the National Register of Historic Places, is the centerpiece of the University of Pittsburgh's main campus in the Oakland neighborhood of Pittsburgh, Pennsylvania, United States. Standing at 535 ft , the 42-story Late Gothic Revival Cathedral is the tallest educational building in the Western hemisphere and the second tallest university building (fourth tallest educationally-purposed building) in the world. It is also the second tallest gothic-styled building in the world. The Cathedral of Learning was commissioned in 1921 and ground was broken in 1926. The first class was held in the building in 1931 and its exterior finished in October 1934, prior to its formal dedication in June 1937.
Document 7: Harker Hall: Harker Hall, also known as the Chemical Laboratory, is a historic building on the campus of the University of Illinois at Urbana–Champaign in Urbana, Illinois. Built in 1877, the building originally served as the university's chemical laboratory. Architect Nathan Clifford Ricker designed the Second Empire building, which originally featured a mansard roof. In 1896, a lightning strike set the roof on fire, and architect James White replaced it with a hip roof. The building was named Harker Hall in honor of Oliver A. Harker, who served as dean of the university's law school from 1903 to 1916. Until it stopped hosting classes, the hall was the oldest classroom building at the university.
Document 8: Louis Sullivan: Louis Henry Sullivan (September 3, 1856 – April 14, 1924) was an American architect, and has been called the "father of skyscrapers" and "father of modernism". He is considered by many as the creator of the modern skyscraper, was an influential architect and critic of the Chicago School, was a mentor to Frank Lloyd Wright, and an inspiration to the Chicago group of architects who have come to be known as the Prairie School. Along with Wright and Henry Hobson Richardson, Sullivan is one of "the recognized trinity of American architecture". "Form follows function" is attributed to him although he credited the origin of the concept to an ancient Roman architect. In 1944, he was the second architect in history to posthumously receive the AIA Gold Medal.
Document 9: Charles Mulford Robinson: Charles Mulford Robinson (1869–1917) was a journalist and a writer who became famous as a pioneering urban planning theorist. He was the first Professor for Civic Design at University of Illinois at Urbana-Champaign, which was only one of two universities offering courses in urban planning at the time, the other being Harvard.
Document 10: Morehead-Patterson Bell Tower: The Morehead-Patterson Bell Tower, simply referred to as "the bell tower," is a functioning bell tower located on the University of North Carolina at Chapel Hill campus. It is a 172 foot tall tower with a Roman numeral clock built in on each of the four sides of the tower. The top of the bell tower holds an observation area. It is topped by a conical spire structure. The area around the bell tower is surrounded by hedges and a grass lawn designed by a University botany professor Coker, who also designed the Coker Arboretum on campus. The tower is one of the most visible landmarks on campus.
Document 11: César Pelli: César Pelli, founder of Pelli Clarke Pelli Architects, is an Argentine American architect who has designed some of the world's tallest buildings and other major urban landmarks. Some of his most notable contributions include the Petronas Towers in Kuala Lumpur and the World Financial Center in New York City. The American Institute of Architects named him one of the ten most influential living American architects in 1991 and awarded him the AIA Gold Medal in 1995. In 2008, the Council on Tall Buildings and Urban Habitat presented him with The Lynn S. Beedle Lifetime Achievement Award.
Document 12: Nationality Rooms: The Nationality Rooms are a collection of 30 classrooms in the University of Pittsburgh's Cathedral of Learning depicting and donated by the national and ethnic groups that helped build the city of Pittsburgh. The rooms are designated as a Pittsburgh History and Landmarks Foundation historical landmark and are located on the 1st and 3rd floors of the Cathedral of Learning, itself a national historic landmark, on the University of Pittsburgh's main campus in the Oakland neighborhood of Pittsburgh, Pennsylvania, United States. Although of museum caliber, 28 of the 30 rooms are regularly used as functional classrooms that are utilized daily by University of Pittsburgh faculty and students, while the other two (the Early American and Syrian-Lebanon) are mostly used as display rooms viewed through glass doors and are otherwise utilized primarily for special events and can only be explored via special guided tour. The Nationality Rooms also serve in a vigorous program of intercultural involvement and exchange in which the original organizing committees for the individual rooms remain as participants and includes a program of annual student scholarship to facilitate study abroad. In addition, the Nationality Rooms inspire lectures, seminars, concerts exhibitions, and social events which focus on the various heritages and traditions of the nations represented. The various national, traditional, and religious holidays of the nations represented are celebrated on campus and the rooms are appropriately decorated to reflect these occasions. The Nationality Rooms are available daily for public tours as long as the particular room is not being used for a class or other university function.
Document 13: Charles Klauder: Charles Zeller Klauder (February 9, 1872 – October 30, 1938) was an American architect best known for his work on university buildings and campus designs, especially his Cathedral of Learning at the University of Pittsburgh, the first educational skyscraper.
Document 14: The Chesterfield Building: The Chesterfield Building is a 1965-erected high-rise 200 foot tall, 20-story apartment building complex located in the Reserve Square area of downtown Cleveland. The building was designed by Charles Luckman who is responsible for the Aon Center (Los Angeles), the Los Angeles Convention Center, the Madison Square Garden in New York and the AmTrust Financial Center in Cleveland among many others. The complex contains 407 living units and features distinctive windows that open out giving the impression that the building is an old factory, but the building has always been apartments. The Chesterfield features a roof-top swimming pool and underwent major cosmetic (exterior) renovation in 2001.
Document 15: Taliesin West: Taliesin West was architect Frank Lloyd Wright's winter home and school in the desert from 1937 until his death in 1959 at the age of 91. Today it is the main campus of the School of Architecture at Taliesin and houses the Frank Lloyd Wright Foundation.
ground_truth: University of Pittsburgh