Heat and Dust (1975) is a novel by Ruth Prawer Jhabvala which won the Booker Prize in 1975.
Franca Rame (18 July 1929 – 29 May 2013) was an Italian theatre actress, playwright and political activist.
 She was married to Nobel laureate playwright Dario Fo and is the mother of writer Jacopo Fo.
 Fo dedicated his Nobel Prize to her.
Ruth Prawer Jhabvala, {'1': ", '2': ", '3': ", '4': "} (7 May 19273 April 2013) was a German-born British and American Booker prize-winning novelist, short story writer and two-time Academy Award-winning screenwriter.
 She is perhaps best known for her long collaboration with Merchant Ivory Productions, made up of director James Ivory and the late producer Ismail Merchant.
Isabella, Three Sailing Ships and a Con Man (Italian title: " Isabella, tre caravelle e un cacciaballe") is a 1963 two-act play by Italian playwright Dario Fo, the recipient of the 1997 Nobel Prize in Literature.
 Some people got angry: Fo received threatening letters, was assaulted in Rome with Rame by Fascist groups who also threw rubbish at them, while another performance was disrupted by a bomb scare.
 He recounted this event in the prologue of "Johan Padan and the Discovery of the Americas".
Dario Fo (] ; 24 March 1926 – 13 October 2016) was an Italian actor–playwright, comedian, singer, theatre director, stage designer, songwriter, painter, political campaigner for the Italian left-wing and the recipient of the 1997 Nobel Prize in Literature.
 In his time he was "arguably the most widely performed contemporary playwright in world theatre".
 Much of his dramatic work depends on improvisation and comprises the recovery of "illegitimate" forms of theatre, such as those performed by "giullari" (medieval strolling players) and, more famously, the ancient Italian style of "commedia dell'arte".
The 7th Annual Gotham Independent Film Awards were held on September 16, 1997 and were hosted by Jon Stewart.
 At the ceremony, Bob and Harvey Weinstein were honoured with a Career Tribute with Kevin Kline, Ruth Prawer Jhabvala, Faith Hubley and Errol Morris receiving the other individual awards.
Ismail Merchant (25 December 1936 – 25 May 2005) was an Indian-born film producer and director.
 He worked for many years in collaboration with Merchant Ivory Productions which included director (and Merchant's longtime professional and domestic partner) James Ivory as well as screenwriter Ruth Prawer Jhabvala.
 Their films won six Academy Awards.
Le Divorce is a 2003 Merchant Ivory Productions film directed by James Ivory from a screenplay by Ruth Prawer Jhabvala and Ivory, based on Diane Johnson's best-selling novel of the same name.
Merchant Ivory Productions is a film company founded in 1961 by producer Ismail Merchant (d. 2005) and director James Ivory.
 Their films were for the most part produced by Merchant, directed by Ivory, and 23 (of the 44 total films) were scripted by Ruth Prawer Jhabvala (d. 2013) in some capacity, all but two of those with solo credit.
 The films were often based upon novels or short stories, particularly the work of Henry James, E. M. Forster, and two novels by Jhabvala herself.
The Householder (Hindi title: "Gharbar") is a 1963 film by Merchant Ivory Productions, with a screenplay by Ruth Prawer Jhabvala and James Ivory, and direction of James Ivory.
 It is based upon the 1960 novel of the same name by Jhabvala.

Question: Have Dario Fo and Ruth Prawer Jhabvala both received a Nobel Prize in Literature?
Answer: no