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Visitors to Mason’s Yard in St. James’s will search in vain for Isherwood Fine Arts. They will, however, find the extraordinary Old Master gallery owned by my dear friend Patrick Matthiesen. A brilliant art historian blessed with an infallible eye, Patrick never would have allowed a misattributed work by Artemisia Gentileschi to languish in his storerooms for nearly a half century. The painting depicted in The Cellist does not exist. If it did, it would look a great deal like the one produced by Artemisia’s father, Orazio, that hangs in the National Gallery of Art in Washington. Like Julian Isherwood and his new managing partner, Sarah Bancroft, the inhabitants of my version of London’s art world are wholly fictitious, as are their sometimes-questionable antics. Their midsummer drinking session at Wiltons Restaurant would have been entirely permissible, as the landmark London eatery briefly reopened its doors before a rise in coronavirus infection rates compelled Prime Minister Boris Johnson to shut down all non-essential businesses. Wherever possible, I tried to adhere to prevailing conditions and government-mandated restrictions. But when necessary, I granted myself the license to tell my story without the crushing weight of the pandemic. I chose Switzerland as the primary setting for The Cellist because life there proceeded largely as normal until November 2020. That said, a private concert and reception at the Kunsthaus Zürich, even for a cause as worthy as democracy, likely could not have taken place in mid-October. I offer my profound apologies to the renowned Janine Jansen for the unflattering comparison to Anna Rolfe. Ms. Jansen is rightly regarded as one of her generation’s finest violinists, and Anna, of course, exists only in my imagination. She was introduced in the second Gabriel Allon novel, The English Assassin, along with Christopher Keller. Martin Landesmann, my committed if deeply flawed Swiss financier, made his debut in The Rembrandt Affair. The story of Gabriel’s blood-soaked duel with the Russian arms dealer Ivan Kharkov is told in Moscow Rules and its sequel, The Defector. Devotees of F. Scott Fitzgerald undoubtedly spotted the luminous line from The Great Gatsby that appears in chapter 32 of The Cellist. For the record, I am well aware that the headquarters of Israel’s secret intelligence service is no longer located on King Saul Boulevard in Tel Aviv. There is no safe house in the historic moshav of Nahalal—at least not one that I am aware of—and Gabriel and his family do not live on Narkiss Street in West Jerusalem. Occasionally, however, they can be spotted at Focaccia on Rabbi Akiva Street, one of my favorite restaurants in Jerusalem.
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