Which actor won Best Actor Oscars in consecutive years for 'Philadelphia' and 'Forrest Gump'?

Which actress won an Oscar for playing Fantine in 'Les Misérables' (2012)? Which actress won an Oscar for playing Édith Piaf in 'La Vie en Rose'? Who was the first Black actor to win the Academy Award for Best Actor, for 'Lilies of the Field' (1963)? Who was the first Black performer to win an Academy Award, for 'Gone with the Wind'? Which actor won the Academy Award for Best Actor for 'The Whale' (2022)? Which actress won the Academy Award for Best Actress for 'Everything Everywhere All at Once'? Which singer played Ally in 'A Star Is Born' (2018)? Who played Elvis Presley in Baz Luhrmann's 'Elvis' (2022)?