The Antoine de Saint Exupéry Museum is a museum of the air mail, in Tarfaya, Morocco.
 Founded in 2004, it is devoted to the famous humanist aviator Antoine de Saint-Exupéry (1900–1944), who lived there for two years, from 1927 to 1929, and found there the inspiration of an important part of his literary work.
The Little Prince is a 1974 British-American fantasy-musical film with screenplay and lyrics by Alan Jay Lerner, music by Frederick Loewe.
 It was both directed and produced by Stanley Donen and based on the 1943 classic children-adult's novella, ("The Little Prince"), by the writer, poet and pioneering aviator Count Antoine de Saint-Exupéry, who disappeared near the end of the Second World War some 15 months after his fable was first published.
Antoine Marie Jean-Baptiste Roger, comte de Saint-Exupéry (] ; 29 June 1900 – 31 July 1944) was a French writer, poet, aristocrat, journalist, and pioneering aviator.
 He became a laureate of several of France's highest literary awards and also won the U.S. National Book Award.
 He is best remembered for his novella "The Little Prince" ("Le Petit Prince") and for his lyrical aviation writings, including "Wind, Sand and Stars" and "Night Flight".
Saint-Ex is a 1996 British film biography made for direct release to television by the British Broadcasting Corporation.
 The story documents the life of French author-aviator Antoine de Saint-Exupéry in the form of a "tone poem".
 The film was directed by Anand Tucker and stars Bruno Ganz, Miranda Richardson and Janet McTeer.
 The screenplay was by Frank Cottrell Boyce, while the writer's sons, Aidan and Joseph, portrayed the Saint-Exupery brothers, Francois and Antoine, as children.
A Sense of Life is the 1965 English translation of Un Sens à la Vie, by the French writer, poet and pioneering aviator, Antoine de Saint-Exupéry.
 The original French compilation was published posthumously in 1956 by Editions Gallimard, and translated into English by Adrienne Foulke, with an introduction by Claude Reynal.
 Saint-Exupéry was killed during the Second World War while flying for the Free French Air Force.
Bruce Jay Friedman is an American novelist, screenwriter, playwright, and actor.
Patrick de Saint-Exupéry (born 1962) is the son of Count Jacques de Saint-Exupéry and the Countess de Saint-Exupéry, born as Martine d'Anglejan.
 Antoine de Saint-Exupéry, the aviator and writer, was the cousin of his grandfather.
 Patrick started his career in journalism at age 19 after winning a young reporters award.
2578 Saint-Exupéry, provisional designation 1975 VW, is an Eoan asteroid from the outer region of the asteroid belt, approximately 17 kilometers in diameter.
 It was discovered by Russian astronomer Tamara Smirnova at the Crimean Astrophysical Observatory in Nauchnyj on 2 November 1975, and named after French aviator and writer Antoine de Saint-Exupéry.
Courrier sud, translated as Southern Mail and Southern Carrier, is the first novel by Antoine de Saint-Exupéry, published in 1929.
 Encouraged by the publication of his short story The Aviator, Saint-Exupéry followed up with this work based on his pioneering flights for the French airmail service.
The Museum of The Little Prince in Hakone (星の王子さまミュージアム , Hoshi no Ōjisama Myūjiamu ) (French: "Musée du Petit Prince de Saint-Exupéry à Hakone" ) is a museum in Sengokuhara, Hakone, Kanagawa Prefecture, Japan.
 The museums is dedicated to the character in the story "The Little Prince" by Antoine de Saint-Exupéry.

Question: Which writer was involved in the greatest number of fields not related to writing, Antoine de Saint-Exupéry or Bruce Jay Friedman?
Answer: Antoine Marie Jean-Baptiste Roger, comte de Saint-Exupéry