Conversation so far:
Is life in hell the name of a movie according to Matt Groening?
Matt Groening described life in Los Angeles to his friends in the form of the self-published comic book Life in Hell.
When was Life in Hell published by Matt Groening?
Groening distributed the comic book in the book corner of Licorice Pizza. Matt Groening made his first professional cartoon sale to the avant-garde Wet magazine in 1978
Are there any other interesting aspects about the Matt Groening article?
Matt Groening had gained employment at the Los Angeles Reader, a newly formed alternative newspaper, delivering papers, typesetting, editing and answering phones.

Question: How long did he work for the Los Angeles Reader?
Self-contained rewrite: How long did Matt Groening work for the Los Angeles Reader?