Question: Were William Boyd and Jim Thompson both screenwriters?

full_context: Document 1: Elmore Leonard: Elmore John Leonard Jr. (October 11, 1925August 20, 2013) was an American novelist, short story writer, and screenwriter. His earliest novels, published in the 1950s, were Westerns, but he went on to specialize in crime fiction and suspense thrillers, many of which have been adapted into motion pictures.
Document 2: Jim Thompson (writer): James Myers Thompson (September 27, 1906 – April 7, 1977) was an American author and screenwriter, known for his hardboiled crime fiction.
Document 3: Jim Harris (writer): Jim Harris is an American novelist. He has written three acclaimed novels in the 21st Century, one of which was nominated for a Pen USA award. He writes comic novels about the human condition with characters who are almost always marginalized. His style is often compared to Tom Robbins and Kurt Vonnegut but his content is rougher-edged and often compared to Jim Thompson and Cormac McCarthy with more comic overtones. His unique approach to his characters delineates him from most other comic American male writers, as females are the lead characters in all of his novels.
Document 4: William Boyd (actor): William Lawrence Boyd (June 5, 1895 – September 12, 1972) was an American film actor known for portraying the cowboy hero Hopalong Cassidy.
Document 5: Dashiell Hammett: Samuel Dashiell Hammett ( ; May 27, 1894 – January 10, 1961) was an American author of hard-boiled detective novels and short stories, screenwriter, and political activist. Among the enduring characters he created are Sam Spade ("The Maltese Falcon"), Nick and Nora Charles ("The Thin Man"), and the Continental Op ("Red Harvest" and "The Dain Curse").
Document 6: William Boyd (minister): William Boyd (died 1772), was an Irish Presbyterian minister. He is known as the bearer of a petition to Samuel Shute, the governor of Province of Massachusetts Bay, embodying a proposal for an emigration from County Londonderry to that colony. Boyd fulfilled his mission in 1718; the intended emigration did not take place. In the same year (without awaiting the issue of Boyd's negotiation), James McGregor (minister of Aghadowey, County Londonderry, from 1701 to 1718), who had not signed the document, emigrated to New Hampshire with some of his people and founded a town to which was given the name of Londonderry.
Document 7: Martin Boyd: Martin à Beckett Boyd (10 June 1893 – 3 June 1972) was an Australian writer born into the à Beckett–Boyd family, a family synonymous with the establishment, the judiciary, publishing and literature, and the visual arts since the early 19th century in Australia.
Document 8: Tony Black (writer): Tony Black is a Scottish writer. Much of his work is in the tartan noir crime genre, featuring Gus Dury, Rob Brennan and Doug Michie. He has more recently pursued projects in other literary directions. Irvine Welsh has called Black his "favourite British crime writer".
Document 9: Mickey Spillane: Frank Morrison Spillane (March 9, 1918July 17, 2006), better known as Mickey Spillane, was an American crime novelist, whose stories often feature his signature detective character, Mike Hammer. More than 225 million copies of his books have sold internationally. Spillane was also an occasional actor, once even playing Hammer himself.
Document 10: Skagboys: Skagboys is a 2012 novel by Scottish writer Irvine Welsh. It is a prequel to his 1993 novel "Trainspotting", and its 2002 sequel "Porno". It follows the earlier lives of characters Renton and Sick Boy as they first descend into heroin addiction.
Document 11: William Boyd (writer): William Boyd, CBE (born 7 March 1952) is a Scottish novelist and screenwriter.
Document 12: William Trevor: William Trevor KBE (24 May 1928 – 20 November 2016) was an Irish novelist, playwright and short story writer. One of the elder statesmen of the Irish literary world, he was widely regarded as one of the greatest contemporary writers of short stories in the English language.
Document 13: Jim Thompson House: The Jim Thompson House is a museum in central Bangkok, Thailand, housing the art collection of American businessman and architect Jim Thompson, the museum designer and former owner. Built in 1959, the museum spans one rectangular "rai" of land (approximately half an acre or 2023.43 meters). It is one of the most popular tourist destinations in Thailand; sporting vibrant jungle foliage in the heart of the city.
Document 14: James Ellroy: Lee Earle "James" Ellroy (born March 4, 1948) is an American crime fiction writer and essayist. Ellroy has become known for a telegrammatic prose style in his most recent work, wherein he frequently omits connecting words and uses only short, staccato sentences, and in particular for the novels "The Black Dahlia" (1987), "The Big Nowhere" (1988), "L.A. Confidential" (1990), "White Jazz" (1992), "American Tabloid" (1995), "The Cold Six Thousand" (2001), and "Blood's a Rover" (2009).
Document 15: John Boyd (author): John Boyd was the primary pen-name of Boyd Bradfield Upchurch (October 3, 1919 – June 8, 2013), an American science fiction author. His best known work is his first science fiction novel, "The Last Starship from Earth", published in 1968. Boyd wrote eleven science fiction novels, five other novels, and one biography. The majority of his novels were published by US publisher Weybright & Talley, with later ones appearing from SF publishers. He was born in Atlanta, Georgia.
ground_truth: yes