My personal winners for directing and acting, 1950-1979. I'll come back and do the rest later. Very subject to change...
1950
Best Director: Billy Wilder for Sunset Boulevard
Best Actor: William Holden for Sunset Boulevard
Best Actress: Bette Davis for All About Eve
Best Supporting Actor: George Sanders for All About Eve
Best Supporting Actress: Teresa Wright for The Men
1951
Best Director: Elia Kazan for A Streetcar Named Desire
Best Actor: Marlon Brando for A Streetcar Named Desire
Best Actress: Vivien Leigh for A Streetcar Named Desire
Best Supporting Actor: Karl Malden in A Streetcar Named Desire
Best Supporting Actress: Kim Hunter in A Streetcar Named Desire
(hey...the year is empty acting-wise besides Streetcar)
1952
Best Director: Stanley Donen and Gene Kelly for Singin' in the Rain
Best Actor: Carlo Battisti for Umberto D.
Best Actress: Bette Davis for The Star
Best Supporting Actor: Richard Burton for My Cousin Rachel
Best Supporting Actress: Fay Compton for The Tragedy of Othello: The Moor of Venice
1953
Best Director: Yasujiro Ozu for Tokyo Story
Best Actor: William Holden for Stalag 17
Best Actress: Audrey Hepburn for Roman Holiday
Best Supporting Actor: Otto Preminger for Stalag 17
Best Supporting Actress: Grace Kelly for Mogambo
1954
Best Director: Alfred Hitchcock for Rear Window
Best Actor: Marlon Brando for On the Waterfront
Best Actress: Judy Garland for A Star Is Born
Best Supporting Actor: William Holden for Sabrina
Best Supporting Actress: Eva Marie Sant for On the Waterfront
1955
Best Director: Robert Aldrich for Kiss Me Deadly
Best Actor: Robert Mitchum for Night of the Hunter
Best Actress: Anna Magnani for The Rose Tattoo
Best Supporting Actor: Jack Lemmon for Mister Roberts
Best Supporting Actress: Katie Johnson for The Ladykillers
1956
Best Director: John Ford for The Searchers
Best Actor: John Wayne for The Searchers
Best Actress: Ingrid Bergman for Anastasia
Best Supporting Actor: Eli Wallach for Baby Doll
Best Supporting Actress: Mercedes McCambridge for Giant
1957
Best Director: Ingmar Bergman for The Seventh Seal and Wild Strawberries
Best Actor: Alec Guinness for Bridge on the River Kwai
Best Actress: Joanne Woodward for Three Faces of Eve
Best Supporting Actor: Henry Fonda for 12 Angry Men
Best Supporting Actress: Isuzu Yamada for Throne of Blood
1958
Best Director: Alfred Hitchcock for Vertigo
Best Actor: Sidney Poitier for The Defiant Ones
Best Actress: Elizabeth Taylor for Cat on a Hot Tin Roof
Best Supporting Actor: Burl Ives for Cat on a Hot Tin Roof
Best Supporting Actress: Kim Novak for Vertigo
1959
Best Director: Billy Wilder for Some Like It Hot
Best Actor: Jack Lemmon for Some Like It Hot
Best Actress: Marilyn Monroe for Some Like It Hot
Best Supporting Actor: George C. Scott for Anatomy of a Murder
Best Supporting Actress: Juanita Moore for Imitation of Life
1960
Best Director: Alfred Hitchcock for Psycho
Best Actor: Anthony Perkins for Psycho
Best Actress: Shirley MacLaine for The Apartment
Best Supporting Actor: Peter Ustinov for Spartacus
Best Supporting Actress: Janet Leigh for Psycho
1961
Best Director: Alain Resnais for Last Year at Marienbad
Best Actor: Maximilian Schell for Judgment at Nuremberg
Best Actress: Audrey Hepburn for Breakfast at Tiffany's
Best Supporting Actor: Montgomery Clift for Judgment at Nuremberg
Best Supporting Actress: Rita Moreno for West Side Story
1962
Best Director: David Lean for Lawrence of Arabia
Best Actor: Jack Lemmon for Days of Wine and Roses
Best Actress: Bette Davis for What Ever Happened to Baby Jane?
Best Supporting Actor: Peter Sellers for Lolita
Best Supporting Actress: Angela Lansbury for The Manchurian Candidate
1963
Best Director: Federico Fellini for 8 1/2
Best Actor: Paul Newman for Hud
Best Actress: Natalie Wood for Love with the Proper Stranger
Best Supporting Actor: Melvyn Douglas for Hud
Best Supporting Actress: Claudia Cardinale for 8 1/2
1964
Best Director: Stanley Kubrick for Dr. Strangelove: Or How I Learned to Stop Worrying and Love the Bomb
Best Actor: Michael Caine for Zulu
Best Actress: Anne Bancroft for The Pumpkin Eater
Best Supporting Actor: Peter Sellers for Dr. Strangelove...
Best Supporting Actress: Agnes Moorehead for Hush...Hush, Sweet Charlotte
1965
Best Director: Roman Polanski for Repulsion
Best Actor: Rod Steiger for The Pawnbroker
Best Actress: Julie Christie for Repulsion
Best Supporting Actor: Oskar Werner for The Spy Who Came in from the Cold
Best Supporting Actress: Maggie Smith for Othello
1966
Best Director: Ingmar Bergman for Persona
Best Actor: Richard Burton for Who's Afraid of Virginia Woolf?
Best Actress: Elizabeth Taylor for Who's Afraid of Virginia Woolf?
Best Supporting Actor: George Segal for Who's Afraid of Virginia Woolf?
Best Supporting Actress: Vanessa Redgrave for Blow-up
1967
Best Director: Mike Nichols for The Graduate
Best Actor: Paul Newman for Cool Hand Luke
Best Actress: Catherine Deneuve for Belle du jour
Best Supporting Actor: George Kennedy for Cool Hand Luke
Best Supporting Actress: Anne Bancroft for The Graduate
1968
Best Director: Stanley Kubrick for 2001: A Space Odyssey
Best Actor: Peter O'Toole for The Lion in Winter
Best Actress: Katharine Hepburn for The Lion in Winter
Best Supporting Actor: Anthony Hopkins for The Lion in Winter
Best Supporting Actress: Ruth Gordon for Rosemary's Baby
1969
Best Director: John Schlesinger for Midnight Cowboy (happy b-day and RIP)
Best Actor: Dustin Hoffman for Midnight Cowboy
Best Actress: Jane Fonda for They Shoot Horses, Don't They?
Best Supporting Actor: Gig Young for They Shoot Horses, Don't They?
Best Supporting Actress: Susannah York for They Shoot Horses, Don't They?
1970
Best Director: Robert Altman for M*A*S*H
Best Actor: George C. Scott for Patton
Best Actress: Glenda Jackson for Women in Love
Best Supporting Actor: John Mills for Ryan's Daughter
Best Supporting Actress: Karen Black for Five Easy Pieces
1971
Best Director: William Friedkin for The French Connection
Best Actor: Gene Hackman for The French Connection
Best Actress: Jane Fonda for Klute
Best Supporting Actor: Jeff Bridges for The Last Picture Show
Best Supporting Actress: Cloris Leachman for The Last Picture Show
1972
Best Director: Frances Ford Coppola for The Godfather
Best Actor: Klaus Kinski for Aguirre, the Wrath of God
Best Actress: Liv Ullmann for The Emigrants
Best Supporting Actor: Marlon Brando for The Godfather
Best Supporting Actress: Jeannie Berlin for The Heartbreak Kid
1973
Best Director: William Friedkin for The Exorcist
Best Actor: Marlon Brando for Last Tango in Paris
Best Actress: Liv Ullmann for Scenes from a Marriage
Best Supporting Actor: Robert DeNiro for Mean Streets
Best Supporting Actress: Linda Blair for The Exorcist
1974
Best Director: Frances Ford Coppola for The Conversation and The Godfather Part II
Best Actor: Al Pacino for The Godfather Part II (ridiculously good year)
Best Actress: Gena Rowlands for A Woman Under the Influence
Best Supporting Actor: Robert DeNiro for The Godfather Part II
Best Supporting Actress: Madeline Kahn for Blazing Saddles
1975
Best Director: Peter Weir for Picnic at Hanging Rock
Best Actor: Jack Nicholson for One Flew over the Cuckoo's Nest
Best Actress: Isabelle Adjani for The History of Adele H.
Best Supporting Actor: Chris Sarandon for Dog Day Afternoon
Best Supporting Actress: Louise Fletcher in One Flew over the Cuckoo's Nest
1976
Best Director: Martin Scorsese for Taxi Driver
Best Actor: Robert DeNiro for Taxi Driver
Best Actress: Faye Dunaway for Network
Best Supporting Actor: Lawrence Olivier for Marathon Man
Best Supporting Actress: Jodie Foster for Taxi Driver
1977
Best Director: Woody Allen for Annie Hall
Best Actor: Richard Burton for Equus
Best Actress: Diane Keaton for Annie Hall
Best Supporting Actor: Alec Guinness for Star Wars Episode IV: A New Hope
Best Supporting Actress: Sissy Spacek for 3 Women
1978
Best Director: Terrence Malick for Days of Heaven
Best Actor: Robert DeNiro for The Deer Hunter (geez so many Pulpys.)
Best Actress: Ingrid Bergman for Autumn Sonata
Best Supporting Actor: Christopher Walken for The Deer Hunter
Best Supporting Actress: Maggie Smith for California Suite
1979
Best Director: Frances Ford Coppola for Apocalypse Now
Best Actor: Dustin Hoffman for Kramer vs. Kramer
Best Actress: Sally Field for Norma Rae
Best Supporting Actor: Melvyn Douglas for Being There
Best Supporting Actress: Meryl Streep for Kramer vs. Kramer
I'll be back later/eventually to do 1980-present...