Title: The Flag of His Country
Content:  The writer of the scenario is unknown, but it was most likely Lloyd Lonergan. Lonergan was an experienced newspaperman employed by The New York Evening World while writing scripts for the Thanhouser productions. He was the most important script writer for Thanhouser, averaging 200 scripts a year from 1910 to 1915. The film director is unknown, but it may have been Barry O'Neil. Bowers does not attribute a cameraman for this production, but two possible candidates exist. Blair Smith was the first cameraman of the Thanhouser company, but he was soon joined by Carl Louis Gregory who had years of experience as a still and motion picture photographer. The role of the cameraman was uncredited in 1910 productions. The only credit known for the cast is that of Marie Eline in the role of the granddaughter. Other members cast may have included the other leading players of the Thanhouser productions, Anna Rosemond, Frank H. Crane and Violet Heming. Bowers states that most of the credits are fragmentary for 1910 Thanhouser productions.
Title: Robert Wright Campbell
Content:  to work on the screenplay Man of a Thousand Faces, the biography of Lon Chaney. The producer deliberately picked a young writer who would not be influenced by "nostalgia". The script was reworked by Ivan Goff and Ben Roberts but Campbell kept his screen credit. All the writers were nominated for Best Screenplay. Campbell did a fourth script for Universal, Beneath the Roses, but it was not made. He wrote for several Warner Bros. Television shows such as Maverick, Bronco and Hawaiian Eye. He reworked Five Guns West for Corman as The Secret Invasion. He planned to follow it with The Deserters another WW2 tale for Corman but it appears to have not been made. In 1972 he wrote Whistler for Corman, a biopic of James Abbott Whistler.
Title: Their Child
Content:  The writer of the scenario is unknown, but it was most likely Lloyd Lonergan. He was an experienced newspaperman employed by The New York Evening World while writing scripts for the Thanhouser productions. The film director is unknown, but it may have been Barry O'Neil. Film historian Q. David Bowers does not attribute a cameraman for this production, but at least two possible candidates exist. Blair Smith was the first cameraman of the Thanhouser company, but he was soon joined by Carl Louis Gregory who had years of experience as a still and motion picture photographer. The role of the cameraman was uncredited in 1910 productions. The only known 
Title: The Girl Reporter
Content:  The writer of the scenario is unknown, but it was most likely Lloyd Lonergan. He was an experienced newspaperman employed by The New York Evening World while writing scripts for the Thanhouser productions. The film director is unknown, but it may have been Barry O'Neil. Film historian Q. David Bowers does not attribute a cameraman for this production, but at least two possible candidates exist. Blair Smith was the first cameraman of the Thanhouser company, but he was soon joined by Carl Louis Gregory who had years of experience as a still and motion picture photographer. The role of the cameraman was uncredited in 1910 productions. Though the roles of the actors are unknown, it is likely that numerous other character roles and persons appeared in 
Title: The Writing on the Wall (film)
Content:  The writer of the scenario was Lloyd Lonergan. Lonergan was an experienced newspaperman still employed by The New York Evening World while writing scripts for the Thanhouser productions. He was the most important script writer for Thanhouser, averaging 200 scripts a year from 1910 to 1915. The film director was Barry O'Neil, the stage name of Thomas J. McCarthy. O'Neil would direct many important Thanhouser pictures, including its first two-reeler, Romeo and Juliet. Film historian Q. David Bowers does not attribute a cameraman for this production, but two possible candidates exist. Blair Smith was the first cameraman of the Thanhouser company, but he was soon joined by Carl Louis Gregory who had years of experience as a still and motion picture photographer. The role of the cameraman was uncredited in 1910 productions. The cast for 
Title: The Little Fire Chief
Content:  The writer of the scenario is unknown, but it was most likely Lloyd Lonergan. He was an experienced newspaperman employed by The New York Evening World while writing scripts for the Thanhouser productions. The film director is unknown, but it may have been Barry O'Neil or Lucius J. Henderson. Cameramen employed by the company during this era included Blair Smith, Carl Louis Gregory, and Alfred H. Moses, Jr. though none are specifically credited. The role of the cameraman was uncredited in 1910 productions. The cast credits for this production are fragmentary like many 1910 Thanhouser productions. In late 1910, the Thanhouser company released a list of the important personalities in their films. The list includes G.W. Abbe, Justus D. Barnes, Frank H. Crane, Irene Crane, Marie Eline, Violet Heming, Martin J. Faust, Thomas Fortune, George Middleton, Grace Moore, John W. Noble, Anna Rosemond, 
Title: The City of Her Dreams
Content:  The writer of the scenario is unknown, but it was most likely Lloyd Lonergan. He was an experienced newspaperman employed by The New York Evening World while writing scripts for the Thanhouser productions. The film director is unknown, but it may have been Barry O'Neil or Lucius J. Henderson. Cameramen employed by the company during this era included Blair Smith, Carl Louis Gregory, and Alfred H. Moses, Jr. though none are specifically credited. The role of the cameraman was uncredited in 1910 productions. The cast credits are unknown, but many 1910 Thanhouser productions are fragmentary. In late 1910, the Thanhouser company 
Title: Kathryn Scola
Content:  adaptation of the Dashiell Hammett novel, with writer Kubec Glasmon. In 1937, Scola and Darrell Ware collaborated to write the script for the film Second Honeymoon, directed by Walter Lang. In 1943, at the outset of the Second World War, Scola and Julien Josephson wrote the script for Happy Land, a 20th Century Fox production that was meant to prepare audiences for the losses of the war. During 1946, Scola wrote a screenplay for the Max Ophüls 1949 American film noir Caught, which would eventually be rejected by the censorship board due to what was deemed questionable material. Scola’s script was revised by various writers and eventually abandoned, leading to the final screenplay by playwright and screenwriter Arthur Laurents. Scola and Julien Josephson also worked together on the original screenplay for “In Times Like These” in 1956, a teleplay included in the anthology series The 20th Century Fox Hour.
Title: A Fresh Start
Content:  The writer of the scenario is unknown, but it was most likely Lloyd Lonergan. He was an experienced newspaperman employed by The New York Evening World while writing scripts for the Thanhouser productions. The film director is unknown, but it may have been Barry O'Neil. Film historian Q. David Bowers does not attribute a cameraman for this production, but at least two possible candidates exist. Blair Smith was the first cameraman of the Thanhouser company, but he was soon joined by Carl Louis Gregory who had years of experience as a still and motion picture photographer. The role of the cameraman was uncredited in 1910 productions. Only the role of Marie Eline is 
Title: The Night of the Hunter (film)
Content:  with experience writing for films. James Agee was hired as the screenwriter because he was from the South and had experience writing about the Depression. Agee began writing in April 1954, and finished in June, but his script was 293 pages: much too long for a feature film. Laughton made significant rewrites to the script, and his was the version used for shooting, even though he insisted that Agee be credited as the only writer. Agee's original script ended with a shot of children's faces floating among the stars, an idea that was eventually moved to the opening of the film. Throughout 1954, Gregory worked with the Production Code Administration to change the script to meet the guidelines of 

Question: Who was the screenwriter for ...à la campagne?
Answer: Manuel Poirier.