Clement Greenberg died after the death of Agatha Christie.
Clement Greenberg ( ), occasionally writing under the pseudonym K. Hardesh (January 16, 1909  May 7, 1994), was an American essayist known mainly as an influential visual art critic closely associated with American Modern art of the mid-20th century. 
Dame Agatha Mary Clarissa Christie, Lady Mallowan, DBE ("ne" Miller; 15 September 1890 12 January 1976) was an English crime novelist, short story writer and playwright. 
