But Pace London, where the Rothko paintings are on show, is one of three new supergalleries to open in London this autumn that raise the bar for what constitutes a world-class art business. All three — Pace, David Zwirner and Michael Werner — are well established in New York and have come to London representing rosters of artists including the estates of legends such as Calder, Flavin, Miró and De Kooning, which read like a roll call of star names from modern art history. Their owners are almost as legendary: Arne Glimcher, 74, founded Pace gallery in Boston in 1960 and has brokered many remarkable deals, including the sale of Jasper Johns’ 1958 painting of three American flags to the Whitney Museum; David Zwirner, 48, has risen in fewer than 20 years since he started his gallery to become number two on Forbes’ 2012 survey of America’s 10 Most Powerful Art Dealers. Meanwhile, Michael Werner, who started his gallery in Berlin in 1963, recently made headlines when he donated 130 modern masterpieces from his own collection — including work by distinguished post-war German painters such as Immendorff and Lüpertz — to the Musée d’Art Moderne de la Ville de Paris. Their arrival marks London’s indisputable rise to the position of art capital of the world.