sentences:  George Weidenfeld and Nigel Nicolson founded Weidenfeld & Nicolson in 1949 with a reception at Brown's Hotel, London.Among many other significant books, it published Vladimir Nabokov's "Lolita" (1959) and Nicolson's "Portrait of a Marriage" (1973), a frank biography of his mother Vita Sackville-West and father Harold Nicolson.In its early years Weidenfeld also published nonfiction works by Isaiah Berlin, Hugh Trevor-Roper, and Rose Macaulay, and novels by Mary McCarthy and Saul Bellow.