The development of painting in London from the Second World War to the 1970s has never before been told before as a single narrative. R. B. Kitaj's proposal, made in 1976, that there was a "substantial School of London" was essentially correct but it caused confusion because it implied that there was a movement or stylistic group at work, when in reality no one style could cover the likes of Francis Bacon and also Bridget Riley. Modernists...