Dr James Cahill is an author, critic and art historian. His latest book, The Beverly Hills Housewife: Hockney’s Californian Muse & the World Beyond the Pool, is out now from Thames & Hudson. His debut novel, Tiepolo Blue (2022), was shortlisted for the Author’s Club Best First Novel Award and selected for H.M. the Queen’s Reading Room. His second novel, The Violet Hour, was published in 2025 to wide critical acclaim – hailed by New York Times as “a convincing and compelling portrait of a very rarefied world”. He contributes to publications including Artforum, the Burlington Magazine, the Financial Times, the Los Angeles Times, the Spectator and the Times Literary Supplement. He is based between London and Los Angeles.