Question: Does William Dieterle have more experience in screenwriting than Mark Rosman?

Context articles: Mistress of the World
Man by the Wayside
The Saint and Her Fool
Rustle of Spring (film)
The Blue Yonder
Mark Rosman
Behind the Altar
Kismet (1944 film)
Quick, Let's Get Married
William Dieterle

Mistress of the World (German: "Die Herrin der Welt" , French: "Les mystères d'Angkor" , Italian: "Il mistero dei tre continenti" ) is a 1960 German-French-Italian science fiction-spy film directed by William Dieterle and starring Martha Hyer and Carlos Thompson.
 It marked the comeback in his native country of the director William Dieterle after several decades spent in Hollywood.
 In West Germany it was released in a longer version split in two parts ("Die Herrin der Welt - Teil I" and "Die Herrin der Welt - Teil II").
Man by the Wayside (German: Der Mensch am Wege) is a 1923 German silent drama film directed by William Dieterle and starring Alexander Granach, Emilia Unda and Dieterle.
The Saint and Her Fool (German:Die Heilige und ihr Narr) is a 1928 German silent drama film directed by William Dieterle and starring Dieterle, Lien Deyers and Gina Manès.
 It was based on a novel by and premiered at the Capital am Zoo in Berlin.
 Art direction was by Andrej Andrejew.
 For a long time, the movie was considered lost.
 Although never released in the US, a nitrate copy was discovered in Jack Warner's personal vault.
 In 2008 it was given to the UCLA in Los Angeles and restored.
Rustle of Spring (German: Frühlingsrauschen) is a 1929 German silent romance film directed by William Dieterle and starring Dieterle, Lien Deyers and Julius Brandt.
The Blue Yonder is a 1985 American science-fiction adventure film.
 It was directed by Mark Rosman, written by Mark Rosman, produced by Alan Shapiro and Annette Handley, and starred Peter Coyote, Huckleberry Fox, Art Carney, Dennis Lipscomb and Joe Flood.
 The film tells the story of Jonathan Knicks (Fox), an 11-year-old who travels back in time from 1985 to 1927 by a time machine built by his neighbor Henry Coogan (Carney) from the theoretical blue prints of Johnathan's own grandfather.
 There Jonathan meets his less than illustrious grandfather, Max (Coyote), and desperately must find a way to prevent Max's fatal attempt at a solo trans-Atlantic flight and henceforth invariably change the course of history in the process.
Mark Rosman (born 1959) is an American film director, film producer, television director and screenwriter.
Behind the Altar or The Secret of Abbe X (German: Das Geheimnis des Abbe X) is a 1927 German silent drama film directed by Julius Brandt and William Dieterle and starring Dieterle, Marcella Albani and Alfred Gerasch.
Kismet is a 1944 Metro-Goldwyn-Mayer film in Technicolor starring Ronald Colman, Marlene Dietrich, Joy Page, and Florence Bates.
 James Craig played the young Caliph of Baghdad, and Edward Arnold was the treacherous Grand Vizier.
 It was directed by William Dieterle, but was not a success at the box office.
 Dieterle had directed Marlene two decades prior in the German silent film "Man by the Wayside", which was both the first role in which Dietrich was cast competitively and Dieterle's directorial debut.
Quick, Let's Get Married (also known as The Confession) is a 1964 American comedy film directed by William Dieterle and starring Ginger Rogers, Ray Milland and Barbara Eden.
 It was produced by Rogers' husband William Marshall in an attempt to revive her screen career.
 The film had a troubled production, with original director Victor Stoloff being replaced by Dieterle.
 It sat on the shelf for several years and did not get a full release until 1971.
William Dieterle (July 15, 1893 – December 9, 1972) was a German actor and film director, who worked in Hollywood for much of his career.
 His best known films include "The Devil and Daniel Webster", "The Story of Louis Pasteur" and "The Hunchback of Notre Dame".
 His 1937 film "The Life of Emile Zola" won the Academy Award for Best Picture.