Question: Were both Primo Levi and Bryce Courtenay advertising directors?

full_context: Document 1: Whitethorn (novel): Whitethorn is a novel by Australian author Bryce Courtenay. It follows a white child in South Africa and was published in 2005.
Document 2: Alan Paton: Alan Stewart Paton (11 January 1903 – 12 April 1988) was a South African author and anti-apartheid activist. His works include the novels "Cry, the Beloved Country" and "Too Late the Phalarope".
Document 3: Primo Levi: Primo Michele Levi (] ; 31 July 1919 – 11 April 1987) was an Italian Jewish chemist, writer, and Holocaust survivor. He was the author of several books, novels, collections of short stories, essays, and poems. His best-known works include "If This Is a Man" (1947) (U.S.: "Survival in Auschwitz"), his account of the year he spent as a prisoner in the Auschwitz concentration camp in Nazi-occupied Poland; and his unique work, "The Periodic Table" (1975), linked to qualities of the elements, which the Royal Institution of Great Britain named the best science book ever written.
Document 4: Auschwitz and After: Auschwitz and After ("Auschwitz, et après") is a first person account of life and survival in Birkenau by Charlotte Delbo, translated into English by Rose C. Lamont.
Document 5: April Fool's Day (novel): April Fool's Day is a 1993 book by Australian author Bryce Courtenay. The book is a tribute to the author's son, Damon Courtenay, a haemophiliac who contracted HIV/AIDS through an infected blood transfusion. The title refers to the date of Damon's death, 1 April 1991 (April Fools' Day).
Document 6: Solomon's Song: Solomon's Song is the final novel in the Australian Trilogy by author Bryce Courtenay. It follows the novels, "The Potato Factory" and "Tommo & Hawk", and was first published in 1999.
Document 7: Ah, But Your Land Is Beautiful: Ah, But Your Land is Beautiful is the third novel of Alan Paton, the South African author who is best known for writing "Cry, the Beloved Country". "Ah, but Your Land is Beautiful" is an anti-apartheid novel, in a similar vein to "Cry, the Beloved Country". It is a fictional reworking of Paton's own years working as a political activist and of the experience he gained working as the president of the South African Liberal Party.
Document 8: The Black Hole of Auschwitz: The Black Hole of Auschwitz is a collection of essays by the Italian author Primo Levi. Originally published under the Italian title "Asymmetry and Life" it has two distinct halves. The first half, "The Black Hole of Auschwitz" is a collection of essays, often prefaces to other books, which make a plea against holocaust denial. The second half "Other People's Trades" are a mixture of essays on a wide variety of subjects. All of these works were collected together in the production of Levi's Italian anthology of works "Opere" in 1997.
Document 9: Stanisław Lem: Stanisław Herman Lem (] ; 12 or 13 September 1921 – 27 March 2006) was a Polish writer of science fiction, philosophy, and satire, and a trained physician. Lem's books have been translated into forty-one languages and have sold over forty-five million copies. From the 1950s to 2000s, he published many books, both science fiction and philosophical/futurological. He is best known as the author of the 1961 novel "Solaris", which has been made into a feature film three times. In 1976, Theodore Sturgeon wrote that Lem was the most widely read science fiction writer in the world.
Document 10: Best science book ever: On 19 October 2006, the Royal Institution of Great Britain named "The Periodic Table", by Primo Levi, the best science book ever. After taking nominations from many scientists in various disciplines, authors, and other notable people (such as the Archbishop of Canterbury), the Royal Institution compiled a shortlist of books for consideration. This shortlist was presented to the public at an event held at Imperial College and the audience voted to determine which book was "the best."
Document 11: Tandia: Tandia is Bryce Courtenay's 1992 sequel to his own best-selling novel "The Power of One". It follows the story of a young woman, Tandia, who was brutally raped and then banished from her own home. Tandia later meets up with Peekay, the protagonist from "The Power of One" and their stories continue on together.
Document 12: Bryce Courtenay: Bryce Courtenay, AM (14 August 193322 November 2012) was a South African/Australian advertising director and novelist. He is one of Australia's best-selling authors, notable for his book "The Power of One".
Document 13: Elie Wiesel: Eliezer "Elie" Wiesel KBE ( , Yiddish: אליעזר ויזל‎ , "Elyezer Vizel"; September 30, 1928 – July 2, 2016) was a Romanian-born American Jewish writer, professor, political activist, Nobel Laureate and Holocaust survivor. He was the author of 57 books, written mostly in French and English, including "Night", a work based on his experiences as a prisoner in the Auschwitz and Buchenwald concentration camps.
Document 14: A Tranquil Star: A Tranquil Star: Unpublished Stories of Primo Levi is a 2007 anthology of short stories by the Italian writer Primo Levi. Released 20 years after Levi's death, the book consists of seventeen stories previously unpublished in English. The stories were translated by Ann Goldstein, an editor at "The New Yorker" and Alessandra Bastagli, an editor at Palgrave Macmillan.
Document 15: Peter Carey (novelist): Peter Philip Carey AO (born 7 May 1943) is an Australian novelist. Carey has won the Miles Franklin Award three times and is frequently named as Australia's next contender for the Nobel Prize in Literature. Carey is one of only four writers to have won the Booker Prize twice—the others being J. G. Farrell, J. M. Coetzee and Hilary Mantel. Carey won his first Booker Prize in 1988 for "Oscar and Lucinda", and won for the second time in 2001 with "True History of the Kelly Gang". In May 2008 he was nominated for the Best of the Booker Prize.
ground_truth: no