1950-53 Harrison and Abramovitz
1951-52 SOM/Skidmore, Owings and Merrill
1952-56 Frank Lloyd Wright
1954-58 Mies van der Rohe, Philip Johnson
1956-58 Gio Ponti, Pier L. Nervi and others
1957-60 Paul Rudolph, Anderson, Beckwith & Harble
1957-60 Helmut Hentrich, Hubert Petschnigg
1956-63 SOM/Skidmore,
1957-61 Minoru Yamasaki, Smith, Hinchman & Grylls 1960-64 Eero Saarinen
1960-64 Harrison and Abramovitz
1962-76 Minoru Yamasaki 1963-68 Kevin Roche, John Dinkeloo
1963-69 Mies van der Rohe, J. B. Parkin and Bergman&Hamann
1964-67 SOM/Skidmore, Owings and Merrill
1965-69 Kevin Roche, John Dinkeloo
1966-70 Paul Rudolph
1964-70 I. M. Pei
1967-71 Kevin Roche, John Dinkeloo 1967-74 SOM/Skidmore, Owings and Merrill
1967-76 I. M. Pei
1968-70 SOM/Skidmore, Owings and Merrill
1968-72 Egon Eiermann
1968-89 John Portman
1970-76 I. M. Pei
1972-76 Philip Johnson, John Burgee
1974-79 Gunnar Birkerts
1975-83 Edward Larrabee Barnes
1976-80 Murphy/Jahn
1978-82 Murphy/Jahn
1978-82 I. M. Pei
1978-86 Richard Rogers
1979-82 Murphy/Jahn
1979-83 Cesar Pelli
1979-83 KPF/Kohn Pedersen Fox . 1979-84 Philip Johnson, John Burgee
1979-86 Philip Johnson, John Burgee
1982-89 I. M. Pei
1983-85 Michael Graves
1984-87 Paul Rudolph
1984-89 Richard Meier
1987-91 Norman Foster
1988-93 Hiroshi Hara
1989-92 Tengku Robert Hamzah & Ken Yeang
1988-93 KPF/Kohn Pedersen Fox 1990-99 Richard Rogers 88 Wood Street London, U.K.
1991-97 Norman Foster
1992-97 Cesar Pelli 1996-2000 Renzo Piano Aurora Place Sydney, Australia
1997-2002 Jean Nouvel, Obayashi CorporationDentsu Headquarters
1998-2003 Norman Foster 30 St Mary Axe London, U.K.
2000-06 Norman Foster Hearst Tower New York, New York, U.S.A.
1999-2005 Jean Nouvel Torre Agbar Barcelona, Spain