Writing

1927-28
Who won: Benjamin Glazer, 7th Heaven (Adaptation); Ben Hecht, Underworld (Original Story); Joseph Farnham (Title Writing)

1928-29 
Who won: Hans Kraly, The Patriot

1929-30
Who won: Frances Marion, The Big House 
Who should have won: George S. Kaufman and Morrie Ryskind, The Cocoanuts

1930-31
Who won: Howard Estabrook, Cimarron (Adaptation); John Monk Saunders, The Dawn Patrol (Original Story) 

1931-32 
Who won: Edwin Burke, Bad Girl (Adaptation); Frances Marion, The Champ (Original Story)
Who should have won: Ben Hecht, Scarface (Adaptation); René Clair, À Nous la Liberté (Original Story)

1932-33 
Who won: Victor Heerman and Sarah Y. Mason, Little Women (Adaptation); Robert Lord, One Way Passage (Original Story)
Who should have won: Howard J. Green and Brown Holmes, I Am a Fugitive From a Chain Gang (Adaptation); Bert Kalmar and Harry Ruby, Duck Soup (Original Story)

1934 
Who won: Robert Riskin, It Happened One Night (Adaptation); Mauri Grashin, Hide-Out (Original Story)
Who should have won: Riskin; Frank Craven, Sons of the Desert (Original Story)

1935 
Who won: Ben Hecht and Charles MacArthur, The Scoundrel (Original Story); Dudley Nichols, The Informer (Screenplay)

1936 
Who won: Pierre Collings and Sheridan Gibney, The Story of Louis Pasteur (Original Story) (Screenplay)
Who should have won: Charles Chaplin, Modern Times (Original Story); Sidney Howard, Dodsworth (Screenplay)

1937 
Who won: William A. Wellman, Robert Carson, A Star Is Born (Original Story); Norman Reilly Raine, Heinz Herald, Geza Herczeg, The Life of Emile Zola (Screenplay)
Who should have won: Preston Sturges, Easy Living (Screenplay)

1938 
Who won: Dore Schary, Eleanore Griffin, Boys Town (Original Story); George Bernard Shaw, screenplay and dialogue; W.P. Lipscomb, Cecil Lewis, Ian Dalrymple  adaptation, Pygmalion (Screenplay) 
Who should have won: Charles Spaak, Jean Renoir, Grand Illusion (Original Story)

1939 
Who won: Lewis R. Foster, Mr. Smith Goes to Washington (Original Story); Sidney Howard, Gone With The Wind (Screenplay)
Who should have won: Lamar Trotti, Young Mr. Lincoln (Original Story); Charles Brackett, Billy Wilder, Walter Reisch, Ninotchka (Screenplay) 

1940 
Who won: Preston Sturges, The Great McGinty (Original Screenplay); Benjamin Glazer, John S. Toldy, Arise, My Love (Original Story); Donald Ogden Stewart, The Philadelphia Story (Screenplay)
Who should have won: Bella Spewack, Samuel Spewack, Leo McCarey, My Favorite Wife (Original Story); Charles Lederer, His Girl Friday (Screenplay)

1941 
Who won: Orson Welles, Herman J. Mankiewicz, Citizen Kane (Original Screenplay); Harry Segall, Here Comes Mr. Jordan (Original Story); Sidney Buchman, Seton I. Miller, Here Comes Mr. Jordan (Screenplay) 
Who should have won: Billy Wilder, Thomas Monroe, Ball of Fire (Original Story); John Huston, The Maltese Falcon (Screenplay)

1942 
Who won: Emeric Pressburger, The Invaders (Original Motion Picture Story); Ring Lardner Jr., Michael Kanin, Woman of the Year (Original Screenplay); Arthur Wimperis, George Froeschel, James Hilton, Claudine West, Mrs. Miniver (Screenplay) 
Who should have won: Melchior Lengyel, Ernst Lubitsch, To Be or Not to Be (Original Motion Picture Story); Preston Sturges, Sullivan's Travels (Original Screenplay); Orson Welles, The Magnificent Ambersons (Screenplay) 

1943 
Who won: William Saroyan, The Human Comedy (Original Motion Picture Story); Norman Krasna, Princess O'Rourke (Original Screenplay); Julius J. Epstein, Philip G. Epstein, Howard Koch, Casablanca (Screenplay) 
Who should have won: Robert Russell, Frank Ross, The More the Merrier (Original Motion Picture Story); Noël Coward, In Which We Serve (Original Screenplay) 

1944 
Who won: Leo McCarey, Going My Way (Original Motion Picture Story); Lamar Trotti, Wilson (Original Screenplay); Frank Butler, Frank Cavett, Going My Way (Screenplay) 
Who should have won: Preston Sturges, Hail the Conquering Hero (Original Motion Picture Story); Preston Sturges, The Miracle of Morgan's Creek (Original Screenplay); Jay Dratler, Samuel Hoffenstein, Betty Reinhardt, Laura (Screenplay) 

1945 
Who won: Charles G. Booth, The House on 92nd Street (Original Motion Picture Story); Richard Schweizer, Marie-Louise (Original Screenplay); Charles Brackett, Billy Wilder, The Lost Weekend (Screenplay) 
Who should have won: Michael Powell, Emeric Pressburger, Colonel Blimp (Original Screenplay) 

1946 
Who won: Clemence Dane, Vacation From Marriage (Original Motion Picture Story); Muriel Box, Sydney Box, The Seventh Veil (Original Screenplay); Robert E. Sherwood, The Best Years of Our Lives (Screenplay)
Who should have won: Ben Hecht, Notorious (Original Screenplay); William Faulkner, Leigh Brackett, Jules Furthman, The Big Sleep  

1947 
Who won: Valentine Davies, Miracle on 34th Street (Motion Picture Story); Sidney Sheldon, The Bachelor and the Bobby-Soxer (Original Screenplay); George Seaton, Miracle on 34th Street (Screenplay) 
Who should have won: Sergio Amidei, Adolfo Franci, C.G. Viola, Cesare Zavattini, Shoeshine (Original Screenplay); Daniel Mainwaring, Out of the Past (Screenplay) 

1948 
Who won: Richard Schweizer, David Wechsler, The Search (Motion Picture Story); John Huston, The Treasure of the Sierra Madre (Screenplay) 
Who should have won: Preston Sturges, Unfaithfully Yours (Motion Picture Story)