Which writer was of German descent, Herbert Achternbusch or Pedro Sienna?
Pedro Sienna Pedro Sienna (13 May 1893—20 March 1972) was a Chilean playwright, poet, journalist, art critic and theatre and movie actor who is also remembered as one of his country's pioneering directors in the early years of silent film.
Anton Zischka Anton Emmerich Zischka (von Trochnov) (September 14, 1904 in Vienna – May 31, 1997 Pollença (Majorca, Spain)) was an Austrian journalist and one of the most successful non-fiction writers in the 20th century. He wrote also under the pseudonyms "Rupert Donkan", "Thomas Daring", "Darius Plecha" and "Antal Sorba". His some 40 books that mostly covered non-fictional economic and technical topics have been translated into 18 languages.