In pics: Pulitzer winners of the year 2012

He was honoured for a Malcolm X book he worked on for decades but did not live to see published.

In this book cover image released by Viking, "Malcolm X: A Life of Reinvention" by Manning Marable, is shown. Marable, who died in 2011, was awarded the 2012 Pulitzer Prize for History on Monday, April 16, 2012.

Graywolf Press senior poetry editor Jeff Shotts takes a call about the just announced Pulitzer Prize for poetry book 'Life on Mars' by Tracy K. Smith, which he edited, in Minneapolis. (AP Photo/The Star Tribune, Richard Tsong-Taatarii)

Senior poetry editor Jeff Shotts, left, toasts cohorts with some Prosseco after the Pulitzer Prize for Poetry was awarded to "Life on Mars" by Tracy K. Smith, which he edited, Monday April 16, 2012 at Bev's Wine Bar in Roseville, Minn. (AP Photo/The Star Tribune, Richard Tsong-Taatarii)

Minnesota Opera Managing Director Kevin Raymach, center, holds a bottle of champagne as staffers gather in the office of Artistic Director Dale Johnson, right, to celebrate their association with the 2012 Pulitzer Prize for Music for Kevin Puts' "Silent Night: Opera in Two Acts" Monday afternoon, April 16, 2012 in Minneapolis. At left is Executive Assistant Theresa Murray. Puts' debut opera, it was commissioned and premiered by the Minnesota Opera on November 12, 2011. (AP Photo/The Star Tribune, Jeff Wheeler)

Minnesota Opera Artistic Director Dale Johnson, right, reacts after Kevin Puts' "Silent Night: Opera in Two Acts," was awarded the 2012 Pulitzer Prize for Music Monday afternoon, April 16, 2012 in Minneapolis. Puts' debut opera, it was commissioned and premiered by the Minnesota Opera on November 12, 2011. (AP Photo/The Star Tribune, Jeff Wheeler)

Minnesota Opera Artistic Director Dale Johnson, right, holds up champagne after Kevin Puts' "Silent Night: Opera in Two Acts," was awarded the 2012 Pulitzer Prize for Music Monday afternoon, April 16, 2012 in Minneapolis. Puts' debut opera, it was commissioned and premiered by the Minnesota Opera on November 12, 2011. (AP Photo/The Star Tribune, Jeff Wheeler)

Minnesota Opera Artistic Director Dale Johnson, right, holds a framed poster for Kevin Puts' "Silent Night: Opera in Two Acts," after the opera was awarded the 2012 Pulitzer Prize for Music Monday afternoon, April 16, 2012 in Minneapolis. At left is Executive Assistant Theresa Murray. Puts' debut opera, it was commissioned and premiered by the Minnesota Opera on November 12, 2011. (AP Photo/The Star Tribune, Jeff Wheeler

In this undated image released by Columbia University, poet Tracy K. Smith, is shown. Smith was awarded the 2012 Pulitzer Prize for Poetry for 'Life on Mars'.

Tracy K. Smith, a creative writing professor at Princeton University, poses in her Brooklyn apartment after winning the Pulitzer Prize for poetry her poetry collection 'Life on Mars'.

In this Sept. 27, 2004 photo released by Harvard University via W.W. Norton, Stephen Greenblatt author of "The Swerve: How the World Became Modern," is shown. On Monday, April 16, 2012, Greenblatt won a Pulitzer Prize for non-fiction for his book "The Swerve: How the World Became Modern."

In this undated image released by The Penguin Press, "George F. Kennan: An American Life," by John Lewis Gaddis is shown. On Monday, April 16, 2012, Gaddis won the Pulitzer Prize for biography for "George F. Kennan: An American Life."

In this undated image released by The Penguin Press, author John Lewis Gaddis is shown. On Monday, April 16, 2012, Gaddis won the Pulitzer Prize for biography for "George F. Kennan: An American Life." (AP Photo/The Penguin Press, Michael Marsland)

In this April 27, 2011 file photo, a tornado moves through Tuscaloosa, Ala. The Tuscaloosa News won a Pulitzer Prize in Breaking News Reporting for their coverage of the April 27, 2011 tornado that destroyed much of Tuscaloosa. A year after the Pulitzer judges found no entry worthy of the prize for breaking news, The Tuscaloosa News of Alabama won the award for coverage of a deadly tornado. (AP Photo/The Tuscaloosa News, Dusty Compton, File)

This undated image provided by Knopf shows author Anne Tyler. For nearly 50 years Tyler has been making it up _ and telling the truth _ about love, family, work and death. Readers and critics have welcomed her. She is a consistent best seller won the Pulitzer Prize in 1989 for "Breathing Lessons" and this spring is receiving a lifetime achievement award from the Sunday Times in London. Her new novel is called "The Beginner's Goodbye."