Question: Which American director has taught more University classes, Rachel Talalay or W. S. Van Dyke?

Context paragraphs:
Another Time (Andrew's Song): "Another Time (Andrew's Song)" is a song by American singer Annaleigh Ashford and her close friend and music artist, Will Van Dyke.  The song was written by Van Dyke and produced by Derik Lee.  It was released on iTunes and Van Dyke's website on January 14, 2014.  It was written for Van Dyke's fiancé, casting associate Andrew Femenella, and is featured in Ashford's cabaret show, "Lost in the Stars" .  "Another Time (Andrew's Song)" is an Easy Listening track.  In addition to writing music and lyrics, Van Dyke is featured on piano on the single.  The track also features Michael Aarons (guitar), Steve Gilewski (bass), Sammy Merendino (drums), Philip Payton (violin/viola), and Allison Seidner (cello).  It was recorded at Harlem Parlour Recording, NYC by Derik Lee, who also mixed and mastered the recording.

Barry Van Dyke: Barry Van Dyke (born July 31, 1951) is an American actor and the second son of actor and entertainer Dick Van Dyke as well as the stepson of makeup artist Arlene Silver-Van Dyke and nephew of Jerry Van Dyke.  He was best known to audiences as Lieutenant Detective Steve Sloan, a homicide detective and the son of (played by Dick Van Dyke) on "".  In the show, the characters' relatives were frequently played by real-life family members.

W. S. Van Dyke: Woodbridge Strong Van Dyke II (March 21, 1889 – February 5, 1943) was an American film director and writer who made several successful early sound films, including "Tarzan the Ape Man" in 1932, "The Thin Man" in 1934, "San Francisco" in 1936, and six popular musicals with Nelson Eddy and Jeanette MacDonald.  He received two Academy Award nominations for Best Director for "The Thin Man" and "San Francisco", and directed four actors to Oscar nominations: William Powell, Spencer Tracy, Norma Shearer, and Robert Morley.  Known as a reliable craftsman who made his films on schedule and under budget, he earned the name "One Take Woody" for his quick and efficient style of filming.

Tank Girl (film): Tank Girl is a 1995 American science fiction action comedy film directed by Rachel Talalay.  Based on the British post-apocalyptic comic series of the same name by Alan Martin and Jamie Hewlett that was originally published in "Deadline" magazine, the film stars Lori Petty, Naomi Watts, Ice-T and Malcolm McDowell.  "Tank Girl" is set in a drought-ravaged Australia, years after a catastrophic impact event.  It follows the antihero Tank Girl (Petty) as she, Jet Girl (Watts), and genetically modified supersoldiers called the Rippers fight "Water & Power", an oppressive corporation led by Kesslee (McDowell).

The New Dick Van Dyke Show: The New Dick Van Dyke Show is an American sitcom starring Dick Van Dyke that aired on CBS from 1971 to 1974.  It was Van Dyke's first return to series television since "The Dick Van Dyke Show".

A New Year: "A New Year" is a song by American singer Annaleigh Ashford, with Will Van Dyke and Jeff Talbott.  The song was written by Van Dyke and Talbott.  It was released on iTunes and Van Dyke's website on December 2nd, 2016.  "A New Year" is an Easy Listening track.  In addition to writing music and lyrics, Van Dyke is featured on piano on the single.  The track also features Alec Berlin (guitar), Steve Gilewski (bass), Mason Ingram (drums), and Allison Seidner (cello).  The song was recorded in New York City and was mixed by Grammy Award Winner Derik Lee, and Ian Kagey.  Oscar Zambrano mastered the recording.

The Van Dyke Show: The Van Dyke Show is an American sitcom starring Dick Van Dyke and his son Barry Van Dyke which aired on CBS from October 26 to December 7, 1988.  The series marked the first time the real-life father-son actors worked together.

Rachel Talalay: Rachel Talalay (born August 16, 1958) is an American film and television director and producer.  She is also a University of British Columbia film professor.

Kelly Jean Van Dyke: Kelly Jean Van Dyke (June 5, 1958 – November 17, 1991) was an American actress and adult film performer.  She was the daughter of actor Jerry Van Dyke, niece of the actor Dick Van Dyke, and cousin once removed of Shane Van Dyke.

Ghost in the Machine (film): Ghost in the Machine (also known as Deadly Terror) is a 1993 American science fiction horror film directed by Rachel Talalay and released by 20th Century Fox.

Supporting paragraphs: Rachel Talalay W. S. Van Dyke
Answer: Rachel Talalay