Question: Do David Mamet and Maurice Level have the same nationality?

Context articles: Race (play)
The Winslow Boy (1999 film)
The Woods (play)
Three Uses of the Knife
Atlantic Theater Company
Glengarry Glen Ross
Maurice Level
Lady Harrington
David Mamet
Faustus (play)

Race is a play by David Mamet that premiered on Broadway in December 2009.
 Mamet has stated that the intended "theme is race and the lies we tell each other on the subject."
The Winslow Boy is a 1999 period drama film directed by David Mamet.
 Starring Nigel Hawthorne, Rebecca Pidgeon, Jeremy Northam and Gemma Jones.
 Set in London before World War I, it depicts a family defending the honour of its young son at all cost.
 The screenplay was adapted by Mamet based on Terence Rattigan's dramatic play "The Winslow Boy".
The Woods is a 1977 play by David Mamet.
 The show involves a young couple's weekend at a lakeside cabin.
 Mamet banned the play from being put on in New York in 1985, but lifted the ban unexpectedly in 1996 for actress Danielle Kwatinetz.
Three Uses of the Knife: On the Nature and Purpose of Drama is a book by David Mamet that discusses playwriting.
 In it, Mamet discusses the conscious and unconscious processes that go on in developing a work of art.
Atlantic Theater Company is an Off-Broadway non-profit theater, whose mission is to produce great plays "simply and truthfully utilizing an artistic ensemble."
 The company was founded in 1985 by David Mamet, William H. Macy, and 30 of their acting students from New York University, inspired by the historical examples of the Group Theatre and Stanislavski.
 Atlantic believes that the story of a play and the intent of its playwright are at the core of the creative process.
 In February 2017, Mamet's play "The Penitent" started its previews at the Atlantic Theater Company leading to its premiere at the end of February.
Glengarry Glen Ross is a play by David Mamet that won the Pulitzer Prize in 1984.
 The play shows parts of two days in the lives of four desperate Chicago real estate agents who are prepared to engage in any number of unethical, illegal acts—from lies and flattery to bribery, threats, intimidation and burglary—to sell undesirable real estate to unwitting prospective buyers.
 It is based on Mamet's experience having previously worked in a similar office.
Maurice Level (August 29, 1875 – April 15, 1926) was a French writer of fiction and drama who specialized in short stories of the macabre which were printed regularly in the columns of Paris newspapers and sometimes staged by "le Théâtre du Grand-Guignol", the repertory company in Paris's Pigalle district devoted to melodramatic productions which emphasized blood and gore.
Lady Harrington is a 1926 French silent film directed by Hewitt Claypoole Grantham-Hayes and Fred LeRoy Granville and starring Claude France, Maurice de Féraudy and Warwick Ward.
 It is based on a novel by Maurice Level.
David Alan Mamet ( ; born November 30, 1947) is an American playwright, essayist, screenwriter, and film director.
 As a playwright, Mamet has won a Pulitzer Prize and received Tony nominations for "Glengarry Glen Ross" (1984) and "Speed-the-Plow" (1988).
 Mamet first gained acclaim for a trio of off-Broadway plays in 1976, "The Duck Variations," "Sexual Perversity in Chicago," and "American Buffalo."
 His play "Race" opened on Broadway on December 6, 2009, and his play "The Penitent" previewed off-Broadway on February 8, 2017.
Faustus is a two act play by David Mamet that had its world premiere in San Francisco's Magic Theatre in March 2004, directed by Mamet.
 It is a contemporary version of the Faust legend.