Question: Did Elia Kazan and Peter Szewczyk both count film directing among their many skills?

Context articles: Elia Kazan
Baby Doll
Maya Kazan
The Visitors (1972 film)
Actors Studio
A Letter to Elia
The Arrangement (novel)
Gene Milford
Peter Szewczyk
All My Sons

Elia Kazan (born Elias Kazantzoglou September 7, 1909 – September 28, 2003) was a Greek-American director, producer, writer and actor, described by "The New York Times" as "one of the most honored and influential directors in Broadway and Hollywood history".
Baby Doll is a 1956 American black comedy drama film directed by Elia Kazan, and starring Carroll Baker, Karl Malden and Eli Wallach.
 The film also features Mildred Dunnock and Rip Torn.
 It was produced by Kazan and Tennessee Williams, and adapted by Williams from his own one-act play "27 Wagons Full of Cotton".
 The plot focuses on a feud between two rival cotton gin owners in rural Mississippi; after one of the men commits arson against the other's gin, the owner retaliates by attempting to seduce the arsonist's nineteen-year-old virgin bride with the hopes of receiving an admission by her of her husband's guilt.
Maya Kazan (born November 24, 1986) is an American stage, TV and film actress and director.
 She is known for playing Caroline in "Frances Ha", Eleanor Gallinger on "The Knick" and Mabel Thompson on "Boardwalk Empire".
 She is the daughter of screenwriters Nicholas Kazan and Robin Swicord.
 She is the granddaughter of film director Elia Kazan and playwright Molly Kazan.
 Maya is the younger sister of actress Zoe Kazan.
The Visitors is a 1972 American drama film directed by Elia Kazan.
 It was entered into the 1972 Cannes Film Festival.
 Kazan used Daniel Lang's "Casualties of War" story as a jumping-off point for this film.
The Actors Studio is a membership organization for professional actors, theatre directors and playwrights at 432 West 44th Street in the Hell's Kitchen neighborhood of Manhattan in New York City.
 It was founded October 5, 1947, by Elia Kazan, Cheryl Crawford and Robert Lewis and Anna Sokolow, who provided training for actors who were members.
 Lee Strasberg joined later and took the helm in 1951 until his death on February 17, 1982.
 It is currently run by Al Pacino, Ellen Burstyn, and Harvey Keitel.
 The Studio is best known for its work refining and teaching method acting.
 The approach was originally developed by the Group Theatre in the 1930s based on the innovations of Konstantin Stanislavski.
 While at the Studio, actors work together to develop their skills in a private environment where they can take risks as performers without the pressure of commercial roles.
A Letter to Elia is a 2010 documentary film directed by Kent Jones and Martin Scorsese that follows the life and career of film director Elia Kazan and how he influenced Scorsese.
 Made from clips from films, stills, readings from Kazan's autobiography, a speech he wrote on directing read by Elias Koteas, a videotaped interview done late in Kazan's life, and Scorsese's commentary on and off screen.
The Arrangement is a 1967 novel by Elia Kazan, narrated by a successful Greek-American advertising executive and magazine writer living in an affluent Los Angeles suburb who suffers a nervous breakdown due to the stress of the way in which he has lived his life – the "arrangement" of the title.
 In 1969 Kazan made it into a film.
 "The Arrangement" was a best-seller and garnered generally favorable reviews but it has been out of print since the 1980s.
Arthur Eugene "Gene" Milford (January 19, 1902 – December 23, 1991) was an American film and television editor with about one hundred feature film credits.
 Among his most noted films are "Lost Horizon" (directed by Frank Capra - 1937), "On the Waterfront" (directed by Elia Kazan - 1954), "A Face in the Crowd" (Kazan - 1957), and "Wait Until Dark" (directed by Terence Young - 1967).
Peter Szewczyk is an American film and animation director, cinematographer and music video director.
All My Sons is a 1947 play by Arthur Miller.
 It opened on Broadway at the Coronet Theatre in New York City on January 29, 1947, closed on November 8, 1949 and ran for 328 performances.
 It was directed by Elia Kazan (to whom it is dedicated), produced by Elia Kazan and Harold Clurman, and won the New York Drama Critics' Circle Award.
 It starred Ed Begley, Beth Miller, Arthur Kennedy, and Karl Malden and won both the Tony Award for Best Author and the Tony Award for Best Direction of a Play.
 The play was adapted for films in 1949 and 1987.