George E. Marshall (December 29, 1891 – February 17, 1975) was an American actor, screenwriter, producer, film and television director, active through the first six decades of movie history.
Michael Hauge is a story and script consultant, author, and lecturer who works with writers and filmmakers on their screenplays, novels, movies, and television projects.
 He has coached writers, producers, stars and directors on projects for Will Smith, Julia Roberts, Jennifer Lopez, Kirsten Dunst, Charlize Theron and Morgan Freeman, as well as for every major studio and network.
 Hauge also works extensively with Hollywood executives, producers, agents and managers, helping them sharpen their story and development skills, and improving their companies’ abilities to recognize powerful material, employ advanced principles of structure, character arc and theme, skillfully communicate a story’s strengths and weaknesses, and work effectively with writers to achieve a commercially successful screenplay.
 Hauge is the best-selling author of "".
 He published in 1991 his book "Writing Screenplays That Sell", and in 2011 he published his new 20th Anniversary edition of the same book, the best reference book for screenwriters, novelist, the film, and television industries.
 His seminar with Christopher Vogler, "The Hero's 2 Journeys", has become one of the top-selling DVDs and CDs on story and screenwriting.
 Hauge has presented seminars and lectures to more than 40,000 participants throughout the US, Canada, and Europe.
 He is on the Board of Directors of the American Screenwriters Association and the Advisory Board for "Scriptwriter Magazine" in London.
Christopher Markus and Stephen McFeely are a duo of American screenwriters and producers.
 They are known for their work in the Marvel Cinematic Universe, having written the three Captain America films ("", "", and ""), "", and will be writing "" and its untitled sequel; and having created the "Agent Carter" TV series.
 They are also the screenwriters of "The Chronicles of Narnia" film franchise.
The George C. Marshall Space Flight Center (MSFC), located in Huntsville, Alabama, is the U.S. government's civilian rocketry and spacecraft propulsion research center.
 The largest NASA center, MSFC's first mission was developing the Saturn launch vehicles for the Apollo moon program.
 Marshall has been the agency's lead center for Space Shuttle propulsion and its external tank; payloads and related crew training; International Space Station (ISS) design and assembly; and computers, networks, and information management.
 Located on the Redstone Arsenal near Huntsville, Alabama, MSFC is named in honor of General of the Army George Marshall.
The American Screenwriters Association (ASA) is a community of screenwriters and filmmakers, sharing their combined knowledge of screenwriting and the movie industry.
 Its primary mission is to help emerging screenwriters hone their screenwriting skills and market their screenplays They encourage dialogue between screenwriters, producers, filmmakers, actors, and industry.
 They promote and market their members’ screenplays, and develop relationships within the industry to increase member visibility.
George C. Marshall High School is a public school in northern Virginia, located in Idylwood in unincorporated Fairfax County, near Falls Church.
 Named for General George Marshall, it opened in 1962 and is part of Fairfax County Public Schools (FCPS).
 It is ranked at #343 in the nation for public schools and has received a gold award for Best High Schools from the U.S. News & World Report 2016.
 It is ranked 11th in Virginia and 8th in Fairfax County.
 George C. Marshall High School is a fully accredited high school based on the Standards of Learning tests in Virginia.
Kenji Mizoguchi (溝口 健二 , Mizoguchi Kenji , May 16, 1898 – August 24, 1956) was a Japanese film director and screenwriter.
Reverend George Marshall (1753 in Bishop Waltham, Hants – 1819) served as a curate in Horsham for over thirty years, from about 1778 until his death in 1819, although he was not fully ordained as a minister until 1802.
 Marshall also acted as chaplain to the prisoners in Horsham gaol.
 It is clear from some of his letters in the Horsham Museum archives that George Marshall was a somewhat awkward and abrasive character.
The Policy Planning Staff (sometimes referred to as the Policy Planning Council, the Office of Policy Planning or by its in-house acronym S/P) is the principal strategic arm of the United States Department of State.
 It was created in 1947 by renowned Foreign Service Officer George F. Kennan at the request of Secretary of State George Marshall to serve "as a source of independent policy analysis and advice for the Secretary of State."
 Its first assignment was to design the Marshall Plan.
Charles Marshall (October 3, 1830 – April 19, 1902) was a Confederate Army officer during the American Civil War.
 Marshall served as an aide de camp, assistant adjutant general and military secretary to Gen. Robert E. Lee.
 He was also a cousin of World War II General George Marshall.

Question: Are George Marshall and Kenji Mizoguchiboth American screenwriters?
Answer: no