A brief history of posthumous Oscars
Before the Oscar nominations were announced, some pundits predicted as many as four posthumous nominations. Obviously, there's Chadwick's Boseman's Best Actor bid for Ma Rainey's Black Bottom. His feverish take on August Wilson's Levee was indeed nominated and, at this point in the awards season, feels bound for victory. The other potential posthumous honors, those that didn't effectively happen, were Jack Fincher (Mank) in Best Original Screenplay, Chadwick Boseman again in Supporting Actor (Da 5 Bloods), and Michael Wolf Snyder (Nomadland) in Best Sound. With that in mind, it's easy to wonder how common it is for AMPAS to honor artists who have already passed.
For trivia purposes, here's a list of all posthumous Oscar nominations divided by category. Only competitive prizes were included, so no honorary awards...