Question: Did Roberto Rossellini or Edward Dmytryk receive more Oscar nominations?

Context articles: A Pilot Returns
Journey to Italy
Isabella Rossellini
Renzo Rossellini (producer)
Roberto Rossellini
The Man with a Cross
Rod E. Geiger
Paisan
Elettra Rossellini Wiedemann
Edward Dmytryk

A Pilot Returns (Italian:Un pilota ritorna) is a 1942 Italian war film directed by Roberto Rossellini and starring Massimo Girotti, Michela Belmonte and Piero Lulli.
 The film forms part of Rossellini's "Fascist trilogy" along with "The White Ship" (1941) and "The Man with a Cross" (1943).
 It was made with the co-operation of the Italian Air Force.
 The film's sets were designed by the architect Virgilio Marchi.
Journey to Italy, also known as Voyage to Italy, is a 1954 drama film directed by Roberto Rossellini.
 Ingrid Bergman and George Sanders play Katherine and Alex Joyce, an English married couple whose trip to Italy unexpectedly undermines their marriage.
 The film was written by Rossellini and Vitaliano Brancati, but is loosely based on the novel "Duo" by Colette.
 Although the film was an Italian production, its dialogue was in English.
 The first theatrical release was in Italy under the title Viaggio in Italia; the dialogue had been dubbed into Italian.
Isabella Fiorella Elettra Giovanna Rossellini (born 18 June 1952) is an Italian actress, filmmaker, author, philanthropist, and model.
 The daughter of the Swedish actress Ingrid Bergman and of Italian neorealist film director Roberto Rossellini, she is noted for her successful tenure as a Lancôme model, and for her roles in films such as "Blue Velvet" (1986) and "Death Becomes Her" (1992).
 Rossellini also received a Golden Globe Award nomination for her performance in "Crime of the Century" (1996).
Renzo Rossellini (born 24 August 1941), also called Rossellini Jr., is an Italian film producer, left political activist and communication innovator.
 He is the second son of costume designer Marcella de Marchis and film director Roberto Rossellini.
 He has produced 64 films since 1964.
Roberto Gastone Zeffiro Rossellini (8 May 1906 – 3 June 1977) was an Italian film director and screenwriter.
 Rossellini was one of the directors of the Italian neorealist cinema, contributing to the movement films such as the 1945 "Roma città aperta" ("Rome, Open City").
The Man with a Cross (Italian: L'uomo dalla croce ) is a 1943 Italian war film directed by Roberto Rossellini and starring Alberto Tavazzi, Roswita Schmidt and Attilio Dottesio.
 It was the final part of Rossellini's "Fascist trilogy" following "The White Ship" (1941) and "A Pilot Returns" (1942).
 It is loosely inspired by Reginaldo Giuliani, an Italian military chaplain who had been killed on active service.
Rod E. Geiger (1915–2000) was an American movie producer and director, Instrumental for his contributions to Italian Neorealism, working with Federico Fellini and Roberto Rossellini.
 Credited in the book "The Adventures of Roberto Rossellini, by Tag Gallagher" as the man who more than any single individual was to make Rossellini and the new Italian cinema famous around the world.
 Also known for his marriage to Katja of Sweden, a Swedish fashion designer.
Paisan (Italian: Paisà ) is a 1946 Italian neorealist war drama film directed by Roberto Rossellini, the second of a trilogy by Rossellini.
 It is divided into six episodes.
 They are set in the Italian Campaign during World War II when Nazi Germany was losing the war against the Allies.
 A major theme is communication problems due to language barriers.
Elettra Rossellini Wiedemann (born July 26, 1983) is an American food editor and writer, fashion model, and socialite of Italian, Swedish, French, and German descent.
 She is the daughter of Italian actress and model Isabella Rossellini and American Jonathan Wiedemann (a Harvard-educated Microsoft design manager and former fashion model) who were married from 1983 to 1986 after having met at a Calvin Klein photo shoot.
 Her maternal grandparents were Ingrid Bergman and Roberto Rossellini.
Edward Dmytryk (September 4, 1908 – July 1, 1999) was a Canadian-born American film director.
 He was known for his 1940s "films noir" and received an Oscar nomination for Best Director for "Crossfire" (1947).