Director Christopher Nolan and his wife, producer Emma Thomas, received a British knighthood from King Charles III, UNN reports citing the BBC.
Thus, they received the titles of knight and lady for their contribution to cinema.
For reference
Christopher Nolan is an English film director, screenwriter and producer who holds British and American citizenship. His 12 films have been favorably received by the world's film critics and have grossed more than $4 billion in box office receipts, making him one of the most successful directors of our time.