Question: between Michael Winner and Bo Widerberg, which person was born before the other?

Context paragraphs:
Börje Ahlstedt: Nils Börje Ahlstedt (born 21 February 1939) is a Swedish actor who has worked extensively with the world-famous director Ingmar Bergman in films like "Fanny and Alexander" (1982), "The Best Intentions" (1992), "Sunday's Children" (1992) and "Saraband" (2003).  Ahlstedt has also worked with the directors Bo Widerberg and Kay Pollak.

Joe Hill (film): Joe Hill is a 1971 biopic about the famous Swedish-American labor activist and songwriter Joe Hill, born Joel Emanuel Hägglund in Gävle, Sweden.  It was directed by renowned Swedish director Bo Widerberg and is a dramatision of Hill's life, depicting Hill's arrival as a poor immigrant in New York in 1902, his involvement with the Industrial Workers of the World (IWW), and his trial for murder, during which he defended himself.  He was convicted on circumstantial evidence and, despite many pleas for mercy, including two from President Woodrow Wilson, he was executed by firing squad in Salt Lake City, Utah, on 15 November 1915.

Elvira Madigan (1967 film): 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).

Björn J:son Lindh: Björn J:son Lindh (born Björn Lindh; 25 October 1944 – 21 December 2013) was a Swedish flautist, pianist, music arranger, composer and artist.  He worked in such diverse musical styles as jazz, classical, fusion, rock, prog rock and ethno.  He composed for instance chamber music, symphonic works, concertos for various instruments and choirs as well as film scores for feature films and TV series in Scandinavia.  J:son Lindh scored music for films such as "Mannen på taket", directed by Bo Widerberg and "Jägarna", directed by Kjell Sundvall.

Jan Troell: Jan Gustaf Troell (born 23 July 1931) is a Swedish film director.  Usually, Troell writes his own scripts and serves as his own director of photography.  His realistic films, with a lyrical photography in which nature is prominent, have placed him in the first rank of modern Swedish film directors along with Ingmar Bergman and Bo Widerberg.

Bo Widerberg: Bo Gunnar Widerberg (8 June 1930 – 1 May 1997) was a Swedish film director, writer, editor and actor.

Raven's End: 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.

All Things Fair: 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.

Thommy Berggren: Thommy Berggren, né Tommy William Berggren (born 12 August 1937) is a Swedish actor.  He is known for having starred in several films directed by Bo Widerberg, and was often considered as one of the foremost Swedish film and theatre actors from the early 1960s to the mid-2000s when he retired.

Michael Winner: Robert Michael Winner (30 October 1935 – 21 January 2013) was an English film director and producer, and a restaurant critic for "The Sunday Times".

Supporting paragraphs: Michael Winner Bo Widerberg
Answer: Bo Gunnar Widerberg