Grandmother is an American silent film produced by Kalem Company and possibly directed by Sidney Olcott.
The Pony Express is an American silent film produced by Kalem Company and directed by Sidney Olcott with Sidney Olcott, Robert Vignola and Joe Santley in the leading roles.
Poor Little Peppina is a 1916 American silent film directed by Sidney Olcott.
 The film was in 1916 Mary Pickford's longest film to be made.
 It was soon surpassed by her later films.
A Daughter of Dixie is an American silent film produced by Kalem Company and directed by Sidney Olcott with Gene Gauntier in the leading role.
 A story of American civil war.
A Colonial Belle is an American silent film produced by Kalem Company and directed by Sidney Olcott with Gene Gauntier, Robert Vignola and George Melford in the leading roles.
 An episode of the revolutionary war.
The Belgian is a 1918 American silent film produced by Sidney Olcott Players.
 It was directed by Sidney Olcott with Valentine Grant and Walker Whiteside in the leading roles.
 It is not known whether the film currently survives.
Sidney Olcott (September 20, 1872 – December 16, 1949) was a Canadian-born film producer, director, actor and screenwriter.
Jon Jost (born 16 May 1943 in Chicago) is an American independent filmmaker.
Little Old New York is a 1923 silent historical drama film starring Marion Davies and directed by Sidney Olcott that was based on a play of the same name by Rida Johnson Young.
 The film was produced by William Randolph Hearst's Cosmopolitan production unit.
The Stranger is an American silent film directed by Sidney Olcott with Gene Gauntier and Robert Vignola in the leading roles, and produced by Kalem Company.

Question: Did Jon Jost and Sidney Olcott share the same nationality?
Answer: no