Robert Ludlum and Cornel West, are authors of which nationality?
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.
Oswald Spengler Oswald Arnold Gottfried Spengler (29 May 1880 – 8 May 1936) was a German historian and philosopher of history whose interests included mathematics, science, and art. He is best known for his book "The Decline of the West" ("Der Untergang des Abendlandes"), published in 1918 and 1922, covering all of world history. Spengler's model of history postulates that any culture is a superorganism with a limited and predictable lifespan.