The Wiesner building reference article from the English Wikipedia on 24-Jul-2004
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Wiesner building

Sponsor with the world's largest charity for orphans
The Wiesner building houses the MIT Media Lab and the List Visual Arts Center. It was designed by Ieoh Ming Pei & Partners. It is named in honor of former MIT president Jerome Wiesner and his wife Laya and dedicated in 1985.

The Wiesner Building is know to the MIT community as either the Media Lab or Building E15. The building's exterior has a tile like look which has been the target of a number of hacks (pranks) by MIT's students.