Question: Which Pulitzer Prize winning author was featured in a 2014 documentary about Edward Snowden? 

Context paragraphs:
Lew Archer: Lew Archer is a fictional character created by Ross Macdonald.  Archer is a private detective working in Southern California.  Between the late 1940s and the early 1970s, the character appeared in 18 novels and a handful of shorter works as well as several film and television adaptations.  Macdonald's Archer novels have been praised for building on the foundations of hardboiled fiction by introducing more literary themes and psychological depth to the genre.  Critic John Leonard declared that Macdonald had surpassed the limits of crime fiction to become "a major American novelist" while Pulitzer Prize winning author Eudora Welty was a fan of the series and carried on a lengthy correspondence with Macdonald.  The editors of "Thrilling Detective" wrote: "The greatest P.I. series ever written?  Probably."

Glenn Greenwald: Glenn Edward Greenwald (born March 6, 1967) is an American journalist and author, best known for his role in a series of reports published by "The Guardian" newspaper beginning in June 2013, detailing the United States and British global surveillance programs, and based on classified documents disclosed by Edward Snowden.  Greenwald and the team he worked with won both a George Polk Award and a Pulitzer Prize for those reports.  He has written several best-selling books, including "No Place to Hide".

Rodrigo Corral: Rodrigo Corral is an American graphic artist.  He is currently the creative director at Farrar, Straus and Giroux.  He has designed covers for the Pulitzer Prize winning author Junot Díaz and bestselling authors Chuck Palahniuk and John Green, among many others.  He has designed the "New York Times" bestselling books "Decoded" by Jay-Z, "Classy" by Derek Blasberg, and "Influence" by Mary-Kate Olsen and Ashley Olsen.  He studied at the School of Visual Arts in New York City where he also has taught.

The Alleys of Eden: The Alleys of Eden is the first published novel of Pulitzer Prize winning author Robert Olen Butler, first published in 1981.

Citizenfour: Citizenfour is a 2014 documentary film directed by Laura Poitras, concerning Edward Snowden and the NSA spying scandal.  The film had its US premiere on October 10, 2014, at the New York Film Festival and its UK premiere on October 17, 2014, at the BFI London Film Festival.  The film features Snowden and Glenn Greenwald, and was co-produced by Poitras, Mathilde Bonnefoy, and Dirk Wilutzky, with Steven Soderbergh and others serving as executive producers. "Citizenfour" received critical acclaim upon release, and was the recipient of numerous accolades, including the Academy Award for Best Documentary Feature at the 2015 Oscars.

Elizabeth Bishop House: The Elizabeth Bishop House, also known as the Bulmer House, is an historic single-family house that today is used as an artists' retreat in Great Village, Nova Scotia.  The house is associated with Pulitzer Prize winning author Elizabeth Bishop who in her youth lived in the house each summer with her maternal grandparents, William Brown Bulmer and Elizabeth (Hutchinson) Bulmer.  Bishop based many of her stories (such as "In the Village") and poems (such as "Filling Station") on aspects of Great Village and Nova Scotia.  Although the Bulmers bought the property in 1874, it is not known when it was built.  On May 21, 1997, the Bulmer House was recognized as a Nova Scotia Provincially Recognized Heritage Site for its connection to Elizabeth Bishop and her writings as well as for its architectural significance; it is a good example of a typical 1 ⁄ -storey Classical Revival dwelling dating from between 1800 and 1850, a type common to rural Nova Scotia.

No Place to Hide (Greenwald book): No Place to Hide: Edward Snowden, the NSA, and the U.S. Surveillance State is a 2014 non-fiction book by American investigative journalist Glenn Greenwald.  It was first published on May 13, 2014 through Metropolitan Books and details Greenwald's role in the global surveillance disclosures as revealed by the former National Security Agency contractor Edward Snowden.  The documents from the Snowden archive cited in the book are freely available online.

The Way to Rainy Mountain: The Way to Rainy Mountain (1969) is a book by Pulitzer Prize winning author N. Scott Momaday.  It is about the journey of Momaday's Kiowa ancestors from their ancient beginnings in the Montana area to their final war and surrender to the United States Cavalry at Fort Sill, and subsequent resettlement near Rainy Mountain, Oklahoma.

Play Their Hearts Out: Play Their Hearts Out: A Coach, His Star Recruit, and the Youth Basketball Machine, by Pulitzer Prize winning author George Dohrmann, is an award-winning exposé of the underbelly of grassroots youth basketball in the AAU.  The author follows the lives of the coach and players of an elite team, documenting the exploitation and manipulation of the children and their families by coaches seeking the best players, and the influence of shoe and sports gear companies seeking to use the sport to promote their products.  Dohrmann is a senior writer with Sports Illustrated.

Unaccustomed Earth: Unaccustomed Earth is a collection of short stories from Pulitzer Prize winning author Jhumpa Lahiri.  This is her second collection of stories, the first being the Pulitzer-winning "Interpreter of Maladies".  As with much of Lahiri's work, "Unaccustomed Earth" considers the lives of Bengali American characters and how they deal with their mixed cultural environment.

Supporting paragraphs: Citizenfour Glenn Greenwald
Answer: Glenn Greenwald