Architects Tod Williams and Billie Tsien have joined the ranks of Norman Foster, Richard Rogers, Zaha Hadid, James Stirling and David Chipperfield as recipients of the Praemium Imperiale award for architecture from the Japan Art Association.

The New York-based duo have been working together for 42 years and established their own practice in 1986.

In 2016, they were selected by then-President Barack Obama to design the Obama Presidential Centre in Chicago – beating David Adjaye in the process. Their building is scheduled for completion in 2022.

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