Pietro Belluschi (August 18, 1899 - February 14, 1994) was an Italian-born American architect, a leader of the Modern Movement in architecture, and was responsible for the design of over 1,000 buildings. 
Born in Italy, Belluschi's architectural career began as a draftsman in a
Portland, Oregon firm. He achieved a national reputation within about 20 years, largely for his 1947 aluminum-clad Equitable Building. In 1951 he was named the dean of the MIT School of Architecture and Planning, where he served until 1965, also working as collaborator and design consultant for many high-profile commissions, most famously the 1963 Pan Am Building. He won the American Institute of Architects' Gold Medal in 1972.
Pietro Belluschi was born in
Ancona, Italy, in 1899. He grew up in Italy and served in the Italian armed forces during  World War I when Italy was allied with Great Britain, France, and later the United States. Serving in the army he fought against the Austrians at the battles of  Caporetto and Vittorio Veneto. After the war, Belluschi studied at the  University of Rome, earning a degree in civil engineering in 1922. 
He moved to the United States in 1923, despite speaking no English, and finished his education--as an exchange student on a scholarship--at
Cornell University with a second degree in civil engineering.   Instead of returning to Italy, he worked briefly as a mining engineer in  Idaho earning $5 per day, but he then joined the architectural office of A. E. Doyle in Portland, living in  Goose Hollow. He remained in the U.S., as friends in Italy had cautioned him to not return home because of the rise to power of  Benito Mussolini and the Fascist government. 
At Doyle's office, Belluschi rose rapidly, soon becoming chief designer. After Doyle died in 1928, the firm took him into partnership in 1933. By 1943, Belluschi had assumed control of the firm by buying out all the other partners and was practicing under his own name.
In 1951, Belluschi became Dean of the architecture and planning school at the
Massachusetts Institute of Technology, a position he held until 1965. When he accepted the position of dean and moved to Massachusetts, he transferred his office in Portland to the architecture firm  Skidmore, Owings and Merrill. The move reduced his annual income from $150,000 to a salary of $15,000, but was prompted by health concerns attributable to the long hours of managing his office while still designing buildings. 
Belluschi emerged as a leader in the development of American
Modern architecture, with the design of several buildings reflecting the influence of the International Style and his awareness of the technological opportunities of new materials. Most important was the Equitable Building (1944-47) in Portland, Oregon: a concrete frame office block clad in aluminum, and considered the first office building with a completely sealed air-conditioned environment.
churches and residences differed from his commercial works. Although of Modern design, they fit within the development of the Pacific Northwest regional Modern idiom as they frequently used regional materials (particularly wood) and were often integrated with their suburban or rural sites.
Awards and honors
Belluschi was elected a Fellow of the
American Academy of Arts and Sciences in 1952. In 1953, he was elected into the  National Academy of Design as an Associate member, and became a full member in 1957. He served as a presidential appointee on the U.S. Commission of Fine Arts from 1950 to 1955. He was a  Fellow in the American Institute of Architects (AIA), and was awarded the AIA Gold Medal, the highest award given by the institute, in 1972. He was awarded the  National Medal of Arts by the National Endowment for the Arts in 1991 for his lifetime achievements. Belluschi was on the jury that selected the winning design for the  Vietnam Veterans Memorial in Washington, D.C. 
After leaving MIT in 1965, he continued to work. Belluschi would design and consult on both buildings and issues surrounding
urban planning. Pietro Belluschi was married first to Helen Hemmila on December 1, 1934, the mother of his two sons, Peter (b. 1939) and Anthony (b. 1941). After her death in 1962, he married in 1965 Marjorie or Margaret (1920-2009). Pietro Belluschi died in Portland on February 14, 1994. 
Commonwealth Building in Portland.
Belluschi's designs include:
Pacific Telephone and Telegraph Company Building, southern addition, Portland,
Pacific Building, Portland, 1926
Public Service Building, Portland, 1927 Belluschi Building,
Portland Art Museum ( NRHP), 1932 Guardians' Lodge (1929), Kiwanis Lodge (1931), Uncle Toby's Story House (1932), and Blue Wing Lodge (1936),
Camp Namanu, Sandy, Oregon Library Building (now Smullin Hall) at
Willamette University, Salem, 1938 
St. Thomas More Catholic Church, Portland, 1940 Peter Kerr House,
Gearhart, Oregon, 1941  Chapel,
River View Cemetery, Portland, 1942 Korten Music Store,
Longview, Washington, 1946 Sweeney, Straub and Dimm Printing Plant, Portland (NRHP), 1946
Emmanuel Lutheran Church, Longview, Washington, 1946
Burkes House, Portland, 1947
Oregonian Building, Portland,
 1947  Baxter Hall and Collins Hall, Willamette University, Salem,
Charles and Blanche Sprague Weekend House, also known as Thetford Lodge, Little North Santiam River, Oregon, 1947 Psychology Building,
Reed College, Portland, 1947-1948 Breitenbush Hall,
Oregon State Hospital, Salem (NRHP), 1948 (demolished 2017) 
Equitable Building, Portland, 1948
First Presbyterian Church, Cottage Grove, Oregon (NRHP), 1948 Percy L. Menefee Ranch House,
Yamhill, Oregon, 1948  Sacred Heart Church,
Lake Oswego, Oregon, 1949
Zion Lutheran Church, Portland (NRHP), 1950 Federal Reserve Bank of San Francisco, Portland Branch,
Central Lutheran Church, Portland, 1951 
St. Philip Neri Catholic Church, Portland, 1952 Tucker Maxon School,
Portland, 1953  YWCA building, Salem,
Marion County Courthouse and World War II Memorial, Salem, 1954  Trinity Lutheran Church, Walnut Creek, California, 1954
 Temple Israel, Swampcott, Massachusetts, 1953-1956
First Lutheran Church, Boston, 1954-1957
Cedar Lane Unitarian Universalist Church, Bethesda, Maryland, 1955
Temple Adath Israel of the Main Line, with Charles Frederick Wise, Merion, Pennsylvania, 1956-1957 Church of the Redeemer (Baltimore), 1958
Bennington College Library, Bennington, Vermont, 1957-1958
Central Lutheran Church, Eugene, Oregon, 1959 
Temple B'rith Kodesh, Rochester, New York, 1959-1963
Goucher College Center, Towson, Maryland, 1960   Trinity Episcopal Church, Concord, Massachusetts, dedicated October 6, 1963
First Methodist Church,
Duluth, Minnesota, 1962-1969 The
Alice Tully Hall at the Juilliard School within the Lincoln Center, New York City, 1963-1969
Pan Am Building, Belluschi and Walter Gropius as design consultants to Emery Roth & Sons, New York City, 1963
Rohm and Haas Corporate Headquarters, with George M. Ewing Co., Philadelphia, Pennsylvania, 1964 Church of the Christian Union, Rockford, Illinois, 1964-1965
 Hoffman Columbia Plaza, now
Unitus Plaza, Portland, 1966 Immanuel Lutheran Church,
Silverton, Oregon, 1966 Saint Joseph's Roman Catholic Church,
Roseburg, Oregon, 1968 
555 California Street, as consultant to Wurster, Benardi and Emmons and Skidmore, Owings and Merrill, San Francisco, 1969
One Boston Place, with Emery Roth & Sons, Boston, 1970
Tower Square, also known as BayState West, with Eduardo Catalano, Springfield, Massachusetts, 1970
University of Virginia School of Architecture, 1970 Woodbrook Baptist Church, Towson, Maryland, 1970
Cathedral of Saint Mary of the Assumption, San Francisco (collaborating with Pier Luigi Nervi and others), 1971
Clark Art Institute, with The Architects Collaborative, Williamstown, Massachusetts, 1973
100 East Pratt Street, with Emery Roth & Sons, Baltimore, 1975
Joseph Meyerhoff Symphony Hall, Baltimore, 1978-1982
Louise M. Davies Symphony Hall, with Skidmore, Owings and Merrill, San Francisco, 1980
One Financial Center, Boston, 1983
US Bancorp Tower, as consultant to Skidmore, Owings and Merrill, Portland, 1983
Chapel of Christ the Teacher, University of Portland, 1986 
United Hebrew Congregation, Chesterfield, Missouri, 1986-1989
Murray Hills Christian Church, Beaverton, Oregon (1987-89)  Centennial Tower and Wheeler Sports Center,
George Fox University,  McMinnville, Oregon, 1991  Portsmouth Abbey School campus, Portsmouth, Rhode Island; Belluschi designed 14 of the 27 buildings on campus between 1960 and 1991
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