Architecture studio Snøhetta has carried out a series of renovations to the postmodern 550 Madison skyscraper in New York, which was formerly known as the AT&T building. More about Snøhetta completes "surgical" renovation of Philip Johnson's AT&T building
New York studio Gensler has completed a redesign of the lobby inside the postmodernist AT&T building in Midtown Manhattan that aims to pay homage to the existing structure. More about Gensler unveils redesigned lobby in Philip Johnson's AT&T building
Snøhetta has been granted planning permission to create a garden at New York's 550 Madison, which forms part of its overhaul of the postmodern tower. More about Snøhetta gets go ahead for public garden at Phillip Johnson's AT&T building
Gensler has revealed plans to create a bright and minimal lobby inside Philip Johnson's landmarked postmodernist AT&T Building, as part of the major overhaul of the skyscraper led by architecture firm Snøhetta. More about Gensler redesigns lobby for postmodern AT&T Building
Snøhetta has revealed an updated proposal for the overhaul of Philip Johnson's AT&T Building, after a major backlash against its initial scheme resulted in the postmodern tower gaining landmark status. More about Snøhetta updates proposal for Philip Johnson's AT&T Building
Philip Johnson's postmodern AT&T Building has been awarded landmark status, halting Snøhetta's controversial renovation plans for the Midtown Manhattan skyscraper. More about Snøhetta plans nixed as Philip Johnson's AT&T Building gains landmark status
The process to bestow landmark status on Philip Johnson's postmodern Midtown Manhattan skyscraper is now underway, a move that could stop Snøhetta's planned renovation of the building from going ahead. More about New York commences plans to landmark Philip Johnson's AT&T building
British architect Norman Foster has criticised postmodern architecture for not being serious enough, but believes important examples like Philip Johnson's AT&T Building in New York should still be preserved. More about Some cartoonish postmodern buildings are worth saving, says Norman Foster
Architects and preservationists including Robert AM Stern were among those protesting Snøhetta's plans for Philip Johnson's postmodern AT&T Building in New York today. More about Architects protest AT&T Building plans with "Hands off my Johnson" placards
Several campaigns and protests have been organised to prevent Snøhetta's overhaul of Philip Johnson's postmodern AT&T Building in New York, which has been described as "vandalism" by Guardian critic Oliver Wainwright. More about Snøhetta proposal for Philip Johnson's AT&T Building triggers outcry
Architecture firm Snøhetta has revealed plans to overhaul the New York skyscraper formerly known as the AT&T Building – an icon of postmodernism designed by Philip Johnson and John Burgee. More about Snøhetta reimagines Philip Johnson's postmodern New York skyscraper
Pomo summer: originally designed for American communications giant AT&T, Philip Johnson and John Burgee's Postmodern skyscraper was the first of its kind. Now known as the Sony Tower, the building remains controversial and is the next in our season on Postmodernism. More about Postmodern buildings: AT&T Building, New York by Johnson/Burgee