Time capsule: Sainsbury Wing contractors find 1990 letter from donor anticipating their demolition of false columns.

The article focuses on the discovery of a "time capsule" letter from John Sainsbury, a major donor, criticizing the design of the Sainsbury Wing at London's National Gallery, particularly the inclusion of two false columns by architects Robert Venturi and Denise Scott Brown. It states that Sainsbury's letter, found during recent renovations led by architect Annabelle Selldorf, expressed his belief that the columns were a mistake and praised their eventual demolition.