Final answer:
William Hanna and Joseph Barbera won seven Academy Awards for their work on the 'Tom and Jerry' cartoon series while at MGM, including a notable win for 'The Cat Concerto' in 1946. These awards were recognition of the highly successful and influential series in the realm of animated entertainment.
Step-by-step explanation:
William Hanna and Joseph Barbera's Academy Awards with MGM:-
William Hanna and Joseph Barbera, the famous animation directors and producers, won a total of seven Academy Awards during their time with Metro-Goldwyn-Mayer (MGM). They received these awards for their work on the Tom and Jerry cartoon series, which was a highly successful and critically acclaimed series during its run. Each of these Oscars was awarded for Best Short Subject (Cartoons) between 1943 and 1953. One of their most notable wins was for the Tom and Jerry short titled 'The Cat Concerto' in 1946. It's worth noting that during the era Hanna and Barbera worked on Tom and Jerry, winning an Oscar was an incredible accomplishment for creators of animated cartoons. Their success helped elevate the reputation and legitimacy of animation as an art form in Hollywood and beyond.