Ben Ripley

Ben Ripley is an American screenwriter best known for writing the science-fiction thriller Source Code^[2] directed by Duncan Jones.^[3]^[4] Ripley is a graduate of Stanford University and the University of Southern California's USC School of Cinema-Television.

^ http://www.movieslug.com/actors/1024/ben-ripley.html^{[permanent dead link‍]}
^ Fernandez, Jay A. (16 December 2010). "Moon' Director Duncan Jones Returns to SXSW With 'Source Code". The Hollywood Reporter.
^ "Ben Ripley | Underwire | Wired.com". Archived from the original on 2011-07-15. Retrieved 2011-06-15. Parallel Universes and Corpse Brains: Source Code Takes Science on a Trip
^ https://www.empireonline.com/news/feed.asp?NID=30413 Ben Ripley Writing The Seventh Day