Question: Did Hans Fallada and Countee Cullen have the same nationality ?

Context articles: Jeder stirbt für sich allein (1970 miniseries)
Hans Fallada Prize
Everyone Dies Alone
Every Man Dies Alone
Little Man, What Now? (1933 film)
Jeder stirbt für sich allein (1962 film)
Countee Cullen
Little Man, What Now? (novel)
Fallada: The Last Chapter
Hans Fallada

Jeder stibt für sich allein (1970) is a German television miniseries produced by DEFA in the former German Democratic Republic.
 The story was adapted from the Hans Fallada novel, "Every Man Dies Alone", known in the UK as "Alone in Berlin".
 It was directed by Hans-Joachim Kasprzik and starred Erwin Geschonneck.
The Hans Fallada Prize is a German literary prize given by the city of Neumünster in the German state of Schleswig-Holstein.
 Since 1981 it has been normally awarded every two years to a young author from the German-speaking world.
 It is named in honor of Hans Fallada, a famous 20th-century German author known for addressing political and social problems of his day in fiction.
Everyone Dies Alone (Original title: Jeder stirbt für sich allein) is a German film produced and released in West Germany in 1975, adapted from the Hans Fallada novel, "Every Man Dies Alone".
 It was released in English in 1976.
 The book was based on the story of two ordinary Germans, Otto and Elise Hampel, who committed acts of civil disobedience against the Third Reich, were caught and sentenced to death.
Every Man Dies Alone or Alone in Berlin (German: "Jeder stirbt für sich allein" ) is a 1947 novel by German author Hans Fallada.
 It is based on the true story of a working class husband and wife who, acting alone, became part of the German Resistance.
 They were eventually discovered, denounced, arrested, tried and executed.
 Fallada's book was one of the first anti-Nazi novels to be published by a German after World War II.
Little Man, What Now?
 (German:Kleiner Mann - was nun?)
 is a 1933 German drama film directed by Fritz Wendhausen and starring Hermann Thimig, Hertha Thiele and Viktor de Kowa.
 It is an adaptation of the novel of the same name by Hans Fallada.
 It was well received by contemporary critics, many of whom considered it the best German film of 1933.
 A separate American film adaptation of Fallada's novel, "Little Man, What Now?
", was released in 1934.
Jeder stirbt für sich allein ("Everyone Dies Alone") is a 1962 West German made for television political drama film based on a best-selling novel by Hans Fallada, itself based on the true story of a working class couple, Otto and Elise Hampel, who committed acts of civil disobedience against the government of Nazi Germany and were executed.
 Directed by former German Resistance member Falk Harnack—whose brother, sister-in-law and cousins were executed during the Nazi regime—it was the first screen adaptation of Fallada's novel.
Countee Cullen (May 30, 1903 – January 9, 1946), born Countee LeRoy Porter, was a prominent African-American poet, novelist, children's writer, and playwright during the Harlem Renaissance.
Little Man, What Now?
 (German title: "Kleiner Mann, was nun?")
 is a novel by Hans Fallada, which was first published in 1932, the year before Adolf Hitler's rise to power.
 The book was an immediate success in Germany, where today it is considered to be a modern classic, given its intense descriptions of the last days of the Weimar Republic.
 The book was also the breakthrough for Fallada as a writer of fiction.
Fallada: The Last Chapter (German: Fallada - letztes Kapitel ) is a 1988 East German drama film directed by Roland Gräf about the life of Hans Fallada.
 It was entered into the 39th Berlin International Film Festival.
Hans Fallada (born Rudolf Wilhelm Friedrich Ditzen; 21 July 18935 February 1947) was a German writer of the first half of the 20th century.
 Some of his better known novels include "Little Man, What Now?
" (1932) and "Every Man Dies Alone" (1947).
 His works belong predominantly to the New Objectivity literary style, with precise details and journalistic veneration of the facts.
 Fallada's pseudonym derives from a combination of characters found in the Grimm's Fairy Tales: the protagonist of "Hans in Luck" (KHM 83) and a horse named Falada in "The Goose Girl".