Question: Which of the following is known for his works of fiction especially "The Screwtape Letters": Storm Jameson or C. S. Lewis?

Context articles: The World's Last Night and Other Essays
Farinata degli Uberti
C. S. Lewis
Max McLean
Peters, Fraser &amp; Dunlop
Storm Jameson
Called to Arms
Malcolm Jameson
Screwtape
The Screwtape Letters

The World's Last Night and Other Essays is a collection of essays by C. S. Lewis published in the United States in 1960.
 The title essay is about the Second Coming of Jesus Christ.
 The volume also contains a follow-up to his "The Screwtape Letters" in the form of "Screwtape Proposes a Toast."
 The second, fourth and fifth pieces were published in the U.K. in a volume called "Screwtape Proposes a Toast and other pieces" (1965); the first, sixth and seventh were published in the U.K. in "Fern-seed and Elephants and other essays on Christianity" (1975).
 All the pieces were later collected in the comprehensive "Essay Collection and Other Short Pieces" (2000).
Farinata degli Uberti (Florence, 1212 – Florence, 11 November 1264), real name Manente degli Uberti, was an Italian aristocrat and military leader, considered by some of his contemporaries to be a heretic.
 He is remembered mostly for his appearance in Dante Alighieri's "Inferno" and is mentioned in C.S. Lewis's short "sequel" to "The Screwtape Letters," "Screwtape Proposes a Toast."
Clive Staples Lewis (29 November 1898 – 22 November 1963) was a British novelist, poet, academic, medievalist, literary critic, essayist, lay theologian, broadcaster, lecturer, and Christian apologist.
 He held academic positions at both Oxford University (Magdalen College, 1925–1954) and Cambridge University (Magdalene College, 1954–1963).
 He is best known for his works of fiction, especially "The Screwtape Letters", "The Chronicles of Narnia", and "The Space Trilogy", and for his non-fiction Christian apologetics, such as "Mere Christianity", "Miracles", and "The Problem of Pain".
Max McLean is the founder and artistic director of Fellowship for Performing Arts, a New York City-based producer of live theater from a Christian worldview.
 McLean conceived, adapted, produced and starred in "The Screwtape Letters", a play based on the book by Oxford and Cambridge scholar, author and fantasy writer C.S. Lewis.
 His stage adaptation of Lewis’ "The Great Divorce" launched its national tour in late 2013.
 McLean adapted, co-directed and starred in "C.S. Lewis Onstage: The Most Reluctant Convert", and co-wrote and produced "Martin Luther on Trial".
 McLean also is the narrator of The Listener's Bible.
Peters Fraser and Dunlop (PFD) is a talent and literary agency based in London, England.
 One of the oldest agencies in Britain, and a co-founder of the Association of Authors' Agents, it is home to a distinguished and varied client list, including Jeanette Winterson, Ruby Wax, Steve Peters, Helen Rappaport, Simon Schama, William Hague, Sarah Raven, Twiggy, Sir Max Hastings, Chris Patten, Bear Grylls, Valentine Warner, Philip Norman and such estates as V.S. Pritchett, E.M. Forster, Georges Simenon, Margery Allingham C.S. Forester, Robert Bolt, Edmund Crispin and Storm Jameson.
Margaret Storm Jameson (8 January 1891 – 30 September 1986) was an English journalist and author, known for her novels and reviews.
Called to Arms is a progressive metal band started in Raleigh, North Carolina in 2003.
 They are currently signed to Tragic Hero Records and they recorded their most recent album with Jamie King, which was released digitally August 10, 2010.
 The album is based on "The Screwtape Letters" written by C. S. Lewis.
Malcolm Routh Jameson (December 21, 1891 – April 16, 1945), commonly known as Malcolm Jameson, was an American science fiction author.
 An officer in the US Navy, he was active in American pulp magazines during the Golden Age of Science Fiction.
 His writing career began when complications of throat cancer limited his activity.
 According to John W. Campbell Jr., Jameson "had much to do with the development of modern [c.1945] naval ordnance."
Screwtape appears as a fictional devil in the book "The Screwtape Letters" (1942) and in its sequel short story "Screwtape Proposes a Toast" (1959), both written by the Christian author C. S. Lewis.
 Screwtape is also the title of the stage adaptation of the "Letters" by James Forsyth (originally "Dear Wormwood", 1961).
The Screwtape Letters is a Christian apologetic novel by C. S. Lewis.
 It is written in a satirical, epistolary style and while it is fictional in format, the plot and characters are used to address Christian theological issues, primarily those to do with temptation and resistance to it.
 First published in February 1942, the story takes the form of a series of letters from a senior Demon Screwtape to his nephew Wormwood, a Junior Tempter.
 The uncle's mentorship pertains to the nephew's responsibility in securing the damnation of a British man known only as "the Patient".