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.
Martin H. Greenberg Martin Harry Greenberg (March 1, 1941 – June 25, 2011) was an American academic and speculative fiction anthologist. In all, he compiled 1,298 anthologies and commissioned over 8,200 original short stories. He founded Tekno Books, a packager of more than 2000 published books. As well, he was a co-founder of the Sci-Fi Channel. Greenberg was also a terrorism and Middle East expert. He was a long time friend, colleague and business partner of Isaac Asimov.