Question: Are Donald Crombie and Richard Boleslawski both directors ?

Context paragraphs:
Rough Diamonds (film): Rough Diamonds is a 1994 Australian film directed by Donald Crombie.  It was the first lead role in a feature for Jason Donovan.

Caddie (film): Caddie is an Australian film biopic directed by Donald Crombie and produced by Anthony Buckley.  Released on 1 April, 1976, it is representative of the Australian film renaissance which occurred during that decade.  Set mainly in Sydney during the 1920s and 1930s, including the Great Depression, it portrays the life of a young middle class woman struggling to raise two children after her marriage breaks up.  Based on "Caddie, the Story of a Barmaid", a partly fictitious autobiography of Catherine Beatrice "Caddie" Edmonds, it made Helen Morse a local star and earned Jacki Weaver and Melissa Jaffer each an Australian Film Institute Award.

Cathy's Child: Cathy's Child is a 1979 Australian film, directed by Donald Crombie and starring Michele Fawdon, Alan Cassell and Bryan Brown.

Feketeszárú cseresznye: Feketeszárú cseresznye is a Hungarian play by Sándor Hunyady.  It was first produced in 1930.  The 1933 movie by Richard Boleslawski with the title Storm at Daybreak is based on this story.  The main roles are played by Kay Francis and Nick Asther.

The Irishman (1978 film): The Irishman is an Australian 1978 romantic drama film adapted for the screen from Elizabeth O'Conner's novel and directed by Donald Crombie.  Old-time horse wagoner Paddy Doolan refuses to accept the challenge posed by motor transport in the early 1920s.

Donald Crombie: Donald Charles Crombie {'1': ", '2': ", '3': ", '4': "} (born 5 July 1942 in Brisbane) is an Australian film and television director and screenwriter.

The Gay Diplomat: The Gay Diplomat is a 1931 American film.  Directed by Richard Boleslawski for RKO Radio Pictures, it starred Ivan Lebedeff, Genevieve Tobin and Betty Compson.

Playing Beatie Bow (film): Playing Beatie Bow is a 1986 Australian time travel drama film.  It is directed by Donald Crombie and stars Imogen Annesley, Peter Phelps and Mouche Phillips.  The screenplay by Peter Gawler and Irwin Lane is based on the novel by Ruth Park.

Richard Boleslawski: Richard Boleslavsky or Richard Boleslawski (February 4, 1889 – January 17, 1937) was a Polish theatre and film director, actor and teacher of acting.

The Alien Years: The Alien Years is a three-part miniseries that first aired on the Australian Broadcasting Corporation on 19 April 1988.  It was directed by Donald Crombie and written by Peter Yeldham.  It stars Victoria Longley, John Hargreaves, Christoph Waltz.  Yeldham later adapted his screenplay into a novel of the same name.

Supporting paragraphs: Donald Crombie Richard Boleslawski
Answer: yes