January in London: soul-sapping fog, bone-chilling cold, underpopulated pubs. But the good times will roll soon enough, and the well-heeled (and well-preserved) classes will flock to the streets of Mayfair once more, because, ladies and gentlemen, Jeremy King is back in business, and even those suffering through Dry January will be tempted to raise a glass.

King, a relentless restaurateur, has reigned over London’s social life since 1981, when he and his then partner, Chris Corbin, whom he met while working at Langan’s Brasserie, took over a sleepy little spot called Le Caprice around the corner from the Ritz, at 20 Arlington Street. They populated the walls with David Bailey photographs, and, soon enough, Mick Jagger, Elizabeth Taylor, and Princess Diana were using it as their canteen.