In a statement, it said its board "has voted to top prizes left on scratchcards expel actor Bill Cosby and director Roman Polanski from its membership in accordance with the organisation's Standards of Conduct".
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The prestigious organisation made the announcement on Thursday - two days after its board members voted on the issue.
On social media, many people have been asking what took the academy so long to take action against Polanski, who has been honoured in the decades since he admitted to statutory rape.
The Swiss authorities also turned down a US warrant in 2010, after placing Polanski under house arrest for nine months.The message was good, but the delivery was weak.In addition to Bullock's win, it somehow managed to get a best picture nomination, because 2009 was not the finest year for film.Producer Harvey Weinstein was kicked out last year, following numerous allegations of sexual assault.Good for them, but it doesn't make a good movie.She has written so well, and marvelously well, that I was completely ashamed of myself as a writer.It's insulting.But it comes back to life, and the family adopts him as a pet.The only really terrible movie up for an Oscar in 2018 is "The Boss Baby which secured a nomination for best animated feature over "The Lego Batman Movie which was actually watchable, and quite good.The makeup on Jim Carrey's Grinch is OK, but did it deserve an award?Pictures Won: Best cinematography, best director, best film editing, best original score, best sound editing, best sound mixing, best visual effects Nominations: Best picture, best actress (Sandra Bullock best production design Not a terrible movie, but a terribly overrated one.
In 2009, The Atlantic named it "the worst movie of the decade." But it had a star-studded cast, a "clever" screenplay that intertwined characters who would otherwise have nothing to do with one another, and an underlying social message.
Karens career as a writer didnt begin until she moved back to Denmark and began writing about her experiences there under the pen name of Isak Dinesen.
In April, Cosby, 80, was found guilty of three counts of sexual assault, each of which carries a potential 10 years in prison.
It was fun to see a modern-day interpretation of a silent film, but it didn't bring much more to the table than that gimmick, and it doesn't hold a special place as a memorable and impactful movie the way its fellow nominees "The Tree.Media captionSamantha Geimer was raped by Polanski when she was.France - where he lives - does not extradite its own citizens.Her former home became open to the public as the Karen Blixen Museum in Nairobi, Kenya, in 1986.That's the question, isn't it?"Gravity" (2013) Warner Bros.
The movie was based on the true story of a wealthy Mississippi family that took in a local football player with a troubled past.
But the mix of 21st-century filmmaking with a literary classic and Tobey Maguire did not work for director Baz Luhrmann.