As George Plimpton explained in 1996, the year of Southern’s death:
Terry was in a a sense largely responsible for the birth of this magazine back in 1953. In the early stages of publishing a Paris-based New Yorker imitation entitled The Paris News-Post, its editors, Peter Matthiessen and Harold L. Humes, were so impressed by the strength of The Accident, a story submitted by their friend Terry (a section of his novel Flash and Filigree) that they decided to scrap The New Yorker imitation and start a literary magazine. The story was incorporated in the first number. Thus, The Paris Review.
Here, for starters, is an interview by Mike Golden from issue 138 in which Southern discusses Paris in the fifties, making Easy Rider with Dennis Hopper (RIP), and the famous “lost” pie-fight from Dr. Strangelove: