Maybe Edwin Heathcote (“New lease of life for a Manhattan masterpiece”, Life & Arts, November 8) thinks that the former Madison Avenue Whitney Museum (now the new Sotheby’s New York headquarters) is a “now-beloved” building. But from my…

Maybe Edwin Heathcote (“New lease of life for a Manhattan masterpiece”, Life & Arts, November 8) thinks that the former Madison Avenue Whitney Museum (now the new Sotheby’s New York headquarters) is a “now-beloved” building. But from my…