For the 16th-century Lord Mayor of London, see Nicholas Mosley (mayor).Nicholas Mosley, 3rd Baron Ravensdale, 7th Baronet, MC FRSL (born 25 June 1923), is an English novelist. He is the eldest son of Sir Oswald Mosley, 6th Baronet, an English politician known principally as the founder of the British Union of Fascists, and his first wife Lady Cynthia Mosley, a daughter of The 1st Marquess Curzon of Kedleston, Viceroy of India and Foreign Secretary.