Architects

United States

Frank Lloyd Wright Sr. was an American architect, designer, writer, and educator. He designed more than 1,000 structures over a creative period of 70 years. Wright played a key role in the architectural movements of the twentieth century, influencing architects worldwide through his works and mentoring hundreds of apprentices in his Taliesin Fellowship. Wright believed in designing in harmony with humanity and the environment, a philosophy he called organic architecture. This philosophy was exemplified in Fallingwater (1935), which has been called "the best all-time work of American architecture".

United States

Gyo Obata was an American architect, the son of painter Chiura Obata and his wife, Haruko Obata, a floral designer. In 1955, he co-founded the global architectural firm HOK. He lived in St. Louis, Missouri, and worked in HOK's St. Louis office. He designed several notable buildings, including the McDonnell Planetarium and GROW Pavilion at the Saint Louis Science Center, the Independence Temple of the Community of Christ church, the National Air and Space Museum in Washington, D.C., and the Abraham Lincoln Presidential Library and Museum in Springfield, Illinois.

United Kingdom · Iraq

Dame Zaha Mohammad Hadid was an Iraqi and British architect, artist, and designer. She is recognised as a key figure in the architecture of the late-20th and early-21st centuries. Born in Baghdad, Iraq, Hadid studied mathematics as an undergraduate and later enrolled at the Architectural Association School of Architecture in 1972. In search of an alternative to traditional architectural drawing, and influenced by Suprematism and the Russian avant-garde, Hadid adopted painting as a design tool and abstraction as a method to "reinvestigate the aborted and untested experiments of Modernism [...] to unveil new fields of building".

United States

Walter William Ahlschlager was a 20th-century American architect. After living in Chicago for many years, he established an office in Dallas in 1940. He died on March 28, 1965 in Dallas.

United States

Alfred T. Fellheimer was an American architect. He began his career with Reed & Stem, where he was lead architect for Grand Central Terminal. Beginning in 1928, his firm Fellheimer & Wagner designed Cincinnati Union Terminal.

Graham, Anderson, Probst & White (GAP&W) was a Chicago-based architectural firm that was founded in 1912 as Graham, Burnham & Co. This firm was the successor to D. H. Burnham & Co. through Daniel Burnham's surviving partner, Ernest R. Graham, and Burnham's sons, Hubert Burnham and Daniel Burnham Jr. In 1917, the Burnhams left to form their own practice, which eventually became Burnham Brothers, and Graham and the remaining members of Graham, Burnham & Co. – Graham, (William) Peirce Anderson, Edward Mathias Probst, and Howard Judson White – formed the resulting practice. The firm also employed Victor Andre Matteson.

Walker and Weeks was an architecture firm based in Cleveland, Ohio, founded by Frank Ray Walker and Harry E. Weeks.

United States · Canada

Canadian-born American architect whose deconstructivist works include the Guggenheim Museum Bilbao and Walt Disney Concert Hall.

United States

William Strudwick Arrasmith was an American architect known for his designs for Greyhound bus stations in the Streamline Moderne style popular in the 1930s and 1940s. Among the over 60 stations he designed are the Cleveland Greyhound Bus Station (1948), the Montgomery, Alabama, Greyhound Bus Station (1951), and the Evansville, Indiana, Greyhound Bus Terminal (1938) which are listed on the National Register of Historic Places.

United States · Hungary

Marcel Lajos Breuer was a Hungarian-American modernist architect and furniture designer. He moved to the United States in 1937 and became a naturalized American citizen in 1944.

United States

Charles Henry Owsley (1846–1935) was an English-born American architect in practice in Youngstown, Ohio, from 1872 until 1912.

United States

Philip Cortelyou Johnson was an American architect who designed modern and postmodern architecture. Among his best-known designs are his modernist Glass House in New Canaan, Connecticut; the postmodern 550 Madison Avenue in New York City, designed for AT&T; 190 South La Salle Street in Chicago; IDS Tower in downtown Minneapolis; the Sculpture Garden of New York City's Museum of Modern Art; the postmodern Williams Tower in Houston, Texas; and the Pre-Columbian Pavilion at Dumbarton Oaks. His January 2005 obituary in The New York Times described his works as being "widely considered among the architectural masterpieces of the 20th century".

United States

Henry Hornbostel was an American architect and educator. Hornbostel designed more than 225 buildings, bridges, and monuments in the United States. Twenty-two of his designs are listed on the National Register of Historic Places, including the Oakland City Hall in Oakland, California and the Soldiers and Sailors Memorial Hall and Museum and University Club in Pittsburgh, Pennsylvania.

United States

Edward Purcell Mellon (1875–1953) was an American architect active in Pittsburgh, Pennsylvania and a member of the wealthy Mellon family.

United States

Albert Kahn was an American architect who collaborated with his brother Julius Kahn in designing industrial plant complexes such as the Ford River Rouge automobile complex. Based in Detroit, he also designed skyscrapers, office buildings, and mansions in the city and suburbs, as well as many buildings at University of Michigan in Ann Arbor. Kahn has been called the "architect of Detroit" as the designer of nearly 900 buildings in the city.

United States

John Calvin Portman Jr. was an American neofuturistic architect and real estate developer widely known for popularizing hotels and office buildings with multi-storied interior atria. Portman also had a particularly large impact on the cityscape of his hometown of Atlanta, with the Peachtree Center complex serving as downtown's business and tourism anchor from the 1970s onward. The Peachtree Center area includes Portman-designed Hyatt, Westin, and Marriott hotels. Portman's plans typically dealt with primitives in the forms of symmetrical squares and circles.

SmithGroup is an international architectural, engineering and planning firm. Established in 1853 by architect Sheldon Smith, SmithGroup is the longest continually operating architecture and engineering firm in the United States that is not a wholly owned subsidiary. As of 2025, SmithGroup ranks #7 among the top 100 architecture engineering firms according to Building Design + Construction, with offices in 21 cities around the United States. The firm serves a range of clients, including cities, commercial, higher education, healthcare, science & technology, and cultural markets.

Donaldson and Meier was an architectural firm based in Detroit, Michigan. Founded in 1880 by John M. Donaldson (1854–1941) and Henry J. Meier (1858–1917), the firm produced a large and varied number of commissions in Detroit and southeastern Michigan. Donaldson, the principal designer of the partnership from a design point of view, was born in Stirling, Scotland and immigrated to Detroit at a young age. He returned to Europe where he studied at the Art Academy in Munich, Germany, and at the École des Beaux-Arts in Paris, France.