1) Author 2) Diplomat 3) Diplomatist 4) English diplomat and author 5) English surname 6) Harold nicolson 7) Sir harold george nicolson 8) Writer Found on https://www.crosswordclues.com/clue/nicolson
1886–1968, English diplomat, biographer, and journalist (husband of Victoria Mary Sackville-West). · born 1894, U.S. scholar, educator, and author. Found on https://www.infoplease.com/dictionary/nicolson