Who had more pseudonyms, Robert Ludlum or Clement Greenberg?
Robert Ludlum Robert Ludlum (May 25, 1927 – March 12, 2001) was an American author of 27 thriller novels, best known as the creator of Jason Bourne from the original "The Bourne Trilogy" series. The number of copies of his books in print is estimated between 290 million and 500 million. They have been published in 33 languages and 40 countries. Ludlum also published books under the pseudonyms Jonathan Ryder and Michael Shepherd.
Robert Coates (critic) Robert Myron Coates (April 6, 1897 – February 8, 1973) was an American writer and a long-term art critic for the "New Yorker". He coined the term "abstract expressionism" in 1946 in reference to the works of Arshile Gorky, Jackson Pollock and Willem de Kooning.