Question: are Alan Alda and Bo Widerberg both nationals of the same country ?

Context articles: Bo Widerberg
All Things Fair
Dreams (M*A*S*H)
Victoria (1979 film)
Whispers in the Dark (film)
Life Time (M*A*S*H episode)
Alan Alda
Elvira Madigan (1967 film)
Raven's End
Fimpen

Bo Gunnar Widerberg (8 June 1930 – 1 May 1997) was a Swedish film director, writer, editor and actor.
All Things Fair (Swedish: "Lust och fägring stor" , literally "Great Lust and Beauty") is a Swedish drama film which was released to cinemas in Sweden on 3 November 1995, directed by Bo Widerberg, about a sexual relationship between a teacher and her 15-year-old student in southern Sweden during World War II.
 Bo Widerberg's son Johan Widerberg stars as the boy and Marika Lagercrantz plays the teacher.
 The original title is taken from the Swedish hymn "Den blomstertid nu kommer", which is traditionally sung in schools before closing for the summer holiday.
"Dreams" is an episode from the television series "M*A*S*H".
 It was the 22nd episode of the eighth season, broadcast and aired on February 18, 1980 and repeated September 1, 1980.
 It was directed by Alan Alda.
 "Dreams" was conceived by James Jay Rubinfier and co-written with Alan Alda.
 The episode received two prestigious writing honors: The Humanitas Prize (1980), and a Writers' Guild of America nomination for episodic television writing in the dramatic category, which was a first as M*A*S*H received WGA nominations in both comedy and drama categories that same year.
 The laugh track is omitted for this episode.
Victoria is a 1979 Swedish drama film directed by Bo Widerberg based on Knut Hamsun's 1898 novel.
 It was entered into the 1979 Cannes Film Festival.
Whispers in the Dark is a 1992 American thriller about a psychiatrist whose patient's lover may be a serial killer.
 The film starred Annabella Sciorra, Jamey Sheridan, Alan Alda, Jill Clayburgh, John Leguizamo, Deborah Unger and Anthony LaPaglia.
 The film was released by Paramount Pictures on August 7, 1992.
 It was nominated for a Razzie Award for Alan Alda as Worst Supporting Actor.
"Life Time" is the 11th episode in the eighth season of the CBS television series "M*A*S*H".
 It originally aired on November 26, 1979, it was directed by Alan Alda and was co-written by Alan Alda and Dr. Walter D. Dishell, M.D., the latter of whom was the show's medical consultant, along with phantom assistance from authors W.C. Heinz, Ring Lardner, Jr., who had written the script for the film "MASH," and even Richard Hooker, himself a former U.S. Army MASH unit surgeon, and author of the 1968 novel "," from which the film and series both drew their inspirations.
Alan Alda ( ; born Alphonso Joseph D'Abruzzo; January 28, 1936) is an American actor, director, screenwriter, and author.
 A seven-time Emmy Award and Golden Globe Award winner, he is widely known for his roles as Captain Hawkeye Pierce in the TV series "M*A*S*H" (1972–1983), hosting of "Scientific American Frontiers", and as Arnold Vinick in "The West Wing" (2004–2006).
 He has also appeared in many feature films, most notably in "Crimes and Misdemeanors" (1989), as pretentious television producer Lester, and "The Aviator" (2004) as U.S. Senator Owen Brewster, the latter of which saw Alda nominated for the Academy Award for Best Supporting Actor.
Elvira Madigan is a 1967 Swedish film directed by Bo Widerberg, based on the tragedy of the Danish tightrope dancer Hedvig Jensen (born 1867), working under the stage name of Elvira Madigan at her stepfather's travelling circus, who runs away with the Swedish nobleman lieutenant Sixten Sparre (born 1854).
Raven's End (Swedish: "Kvarteret Korpen" ) is a 1963 Swedish drama film directed by Bo Widerberg, about an aspiring working-class writer in Malmö.
 The story bears some similarities to Widerberg's own background, although he claimed it to be entirely fictional.
Fimpen (lit.
 "the cigarette butt", UK "Stubby", international "The Butt") is a 1974 Swedish family film written and directed by Bo Widerberg and starring Johan Bergman.