Are both Andrzej Munk and Nelson Pereira dos Santos  film directors?
yes
Andrzej Munk
Andrzej Munk (16 October 1921 – 20 September 1961) was a Polish film director, screen writer and documentalist.
 He was one of the most influential artists of the post-Stalinist period in the People's Republic of Poland.
 His feature films "Man on the Tracks" ("Człowiek na torze", 1956), "Eroica" ("Heroism", 1958), "Bad Luck" ("Zezowate szczęście", 1960), and "Passenger" ("Pasażerka" 1963), are considered classics of the Polish Film School developed in mid-1950s.
 He died as a result of a car crash in Kompina in a head-on collision with a truck.
Nelson Pereira dos Santos
Nelson Pereira dos Santos (born 22 October 1928) is a Brazilian film director.
 He directed films such as "Vidas Secas" (Barren Lives), based on the book with the same name by Brazilian writer Graciliano Ramos.
José Manuel Bento dos Santos
José Manuel Bento dos Santos (born 1947) is a Portuguese cook, gastronomer, businessman, trader, metals broker, writer and chemical engineer.
 Bento dos Santos studied chemical-industrial engineering at the Instituto Superior Técnico (IST), Technical University of Lisbon.
 During his early university years he played rugby union and was also the manager of the Portugal national rugby team in 1967/1968.
 He started his professional career as an employee of Companhia União Fabril (CUF), the largest Portuguese business conglomerate before the Carnation Revolution in 1974.
 During the turmoil of the revolution, indeed a left-wing military coup, CUF was forcibly nationalized by the revolutionary government and collapsed.
 Bento dos Santos, together with other partners such as Eduardo Catroga, founded the metals brokerage and trading company Quimibro.
 In the late 1980s, Pedro Passos Coelho, future Prime Minister of Portugal, was invited by a cousin to work there as a collaborator.
 Bento dos Santos studied also economics at the "Instituto Superior de Economia e Gestão" of the Technical University of Lisbon, but he did not graduate.
 Beyond Quimibro, Bento dos Santos founded other ventures like Quinta do Monte d'Oiro, a winery.
 In the 2000s, Bento dos Santos became popular due to his cuisine progames "O Sentido do Gosto" (2007) on the Portuguese television RTP and "Segredos do Vinho" (SIC, 2004).
 He also published a book of cuisine with the title "O Sentido do Gosto" as well as "Subtilezas Gastronómicas – receitas à volta de um vinho" (Assírio & Alvim, 2005).
 He is affiliated with the International Gastronomy Academy, the Confrérie de la Chaîne des Rôtisseurs, the Confraria do Vinho do Porto, the Académie des Psycologues du Goût, and is a "chevalier" of both "des Entonneurs Rabelaisiens" and "du Tastevin". Tenda dos Milagres (film)
Tenda dos Milagres is a 1977 Brazilian drama film directed by Nelson Pereira dos Santos, based on the novel of the same name by Jorge Amado.
 It stars Hugo Carvana, Sonia Dias and Severino Dada.
 The director satirizes and exposes racism in Brazilian society.
 The most notable example where this is done is in a flashback scene where Brazilians are shown listening with approving interest to Nazi race theories in the late 1930s.
 "Tenda dos Milagres" was shot in Salvador, Bahia. The Amulet of Ogum
The Amulet of Ogum (Portuguese: O Amuleto de Ogum ) is a 1974 Brazilian drama film directed by Nelson Pereira dos Santos.
 It was entered into the 1975 Cannes Film Festival.
 It was also selected as the Brazilian entry for the Best Foreign Language Film at the 48th Academy Awards, but was not accepted as a nominee. Tent of Miracles (novel)
Tent of Miracles (Portuguese: "Tenda dos Milagres" ) is a Brazilian Modernist novel.
 It was written by Jorge Amado in 1967 and published the following year.
 It was later adapted to a 1977 Cinema Novo (Nouvelle Vague) film by director/screenplay writer Nelson Pereira dos Santos. Rio, 100 Degrees F.
Rio, 100 Degrees F "(Portuguese: Rio, 40 Graus") is a 1955 Brazilian film written and directed by Nelson Pereira dos Santos.
 It is dos Santos' first feature work, inspired by the Italian Neo-Realism, and is considered a precursor of the Cinema Novo movement. The Alienist (film)
The Alienist (Portuguese: Azyllo Muito Louco , also known as "O Alienista") is a 1970 Brazilian comedy film directed by Nelson Pereira dos Santos.
 The film was entered into the 1970 Cannes Film Festival. Institut des hautes études cinématographiques
L'Institut des hautes études cinématographiques (IDHEC; the "Institute for Advanced Cinematographic Studies") is a French film school, founded during World War II under the leadership of Marcel L'Herbier who was its president from 1944 to 1969.
 IDHEC offered training for directors and producers, cameramen, sound technicians, editors, art directors and costume designers.
 It became highly influential, and many prominent film-makers received their training there including Paulo Rocha, Louis Malle, Alain Resnais, Claire Denis, Volker Schlöndorff, Jean-Jacques Annaud, Claude Sautet, Nelson Pereira dos Santos, Patrice Leconte, Costa Gavras, Theo Angelopoulos, Omar Amiralay, Rithy Panh, Arnaud Desplechin, Claude Miller, Alfonso Gumucio Dagron Christopher Miles and Pascale Ferran. Memoirs of Prison
Memoirs of Prison (Portuguese: Memórias do Cárcere ) is a 1984 Brazilian drama film directed by Nelson Pereira dos Santos.
 It is based on "Memórias do Cárcere" an autobiographical novel by Graciliano Ramos, about the period he was incarcerated during the Vargas Era.
 The film was selected as the Brazilian entry for the Best Foreign Language Film at the 57th Academy Awards, but was not accepted as a nominee.