Question: Which American screenwriter is best known for his work on short film comedies, Charley Chase or Marc Lawrence?

Context paragraphs:
Neighborhood House (film): Neighborhood House is a 1936 American comedy film directed by Charley Chase, Harold Law and Alan Hale, Sr. and written by Charley Chase, Harold Law, Richard Flournoy and Arthur Vernon Jones.  The film stars Charley Chase, Rosina Lawrence, Darla Hood, George Meeker, Ben Taggart and Dick Elliott.  The film was released on May 9, 1936, by Metro-Goldwyn-Mayer.

Thelma Todd: Thelma Alice Todd (July 29, 1906 – December 16, 1935) was an American actress.  Appearing in about 120 pictures between 1926 and 1935, she is best remembered for her comedic roles in films such as Marx Brothers' "Monkey Business" and "Horse Feathers", a number of Charley Chase's short comedies, and co-starring with Buster Keaton and Jimmy Durante in "Speak Easily".  She also had roles in Wheeler and Woolsey farces, several Laurel and Hardy films, the last of which ("The Bohemian Girl") featured her in a part that was truncated by her suspicious death at the age of 29.

The Heckler (film): The Heckler (1940) is an American short film produced by columbia pictures association directed by Del Lord and starring Charley Chase.

Our Gang (film): Our Gang (1922) is an American "Our Gang" silent short film that was the third entry in the series to be released.  It was directed by Charley Chase, Robert F. McGowan, Tom McNamara, and Fred Newmeyer.  The two-reeler was released into theaters on November 5, 1922 by Pathé.

Viola Richard: Viola Richard, (26 January 1904 – 28 December 1973), was an American actress who appeared in several silent short comedies at the Hal Roach Studios opposite Laurel and Hardy, Charley Chase and Max Davidson in the 1920s.  Pert and vivacious, she left Roach in 1928, but returned in 1935 to play small roles in an Our Gang short and again with Laurel and Hardy in "Tit for Tat".

Spec O'Donnell: Walter "Spec" O'Donnell (April 9, 1911 – October 14, 1986) was an American film actor.  He appeared in 191 films between 1923 and 1978.  He was born in Fresno, California and died in Woodland Hills, Los Angeles.  He worked frequently for producer Hal Roach, often appearing in silent comedies as the bratty son of Max Davidson or Charley Chase.  His sound era roles were mostly uncredited bits, though he has the unusual distinction of playing the same role (a newsboy) in both an original film and its remake: "Princess O'Hara" and "It Ain't Hay".

Crazy like a Fox (1926 film): Crazy like a Fox is a 1926 American short film starring Charley Chase.  The two-reel silent comedy stars Chase as a young man who feigns insanity in order to get out of an arranged marriage, only to find out that his sweetheart is the girl he has been arranged to marry.  Chase would remake the film as "The Wrong Miss Wright" (1937) in the sound era during his tenure at Columbia Pictures.

On the Wrong Trek: On The Wrong Trek is a 1936 short film starring Charley Chase, directed by Harold Law, produced by Hal Roach and distributed by MGM.  It features a cameo appearance by Laurel and Hardy.

Marc Lawrence (filmmaker): Marc Lawrence (born October 22, 1959) is an American screenwriter, film producer and film director.  He is best known for the four films that he has made with actor Sandra Bullock.

Charley Chase: Charley Chase (born Charles Joseph Parrott, October 20, 1893 – June 20, 1940) was an American comedian, actor, screenwriter and film director, best known for his work in Hal Roach short film comedies.  He was the older brother of comedian/director James Parrott.

Supporting paragraphs: Charley Chase Marc Lawrence (filmmaker)
Answer: Charley Chase