Philip Johnson, American architect, designed the IDS Center and PPG Place (died 2005)

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".