Who had more pseudonyms, Robert Ludlum or Clement Greenberg?
Clement Greenberg 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. In particular, he is best remembered for his promotion of the abstract expressionist movement and was among the first published critics to praise the work of painter Jackson Pollock.
Robert Lisovskyi Robert Lisovskyi (Ukrainian: "Роберт Антонович Лісовський" ; 29 December 1893 – 28 December 1982) is Ukrainian artist and graphic designer, a follower of Mykhailo Boychuk and Heorhiy Narbut. He was specializing in various forms of graphic arts, particularly printmaking, book illustration, decorative and applied arts, scenography and design.