May Robson was the first Australian-born person to receive an Oscar nomination for Best Actress in 1933 for "Lady for a Day". In 1942, Ken G. Hall became the first Australian to win an Academy Award for his documentary "Kokoda Front Line!" in the Best Documentary category. Suzanne Baker was the first Australian woman to win an Oscar, which was given to her in 1977 for Best Animated Short for "Leisure". Cate Blanchett was the first Australian actor to win more than one award in the acting categories. Peter Finch was the first actor to be awarded an Oscar posthumously, winning the Academy Award for Best Actor for his performance in "Network" in 1976. The only other acting Oscar awarded posthumously was to fellow Australian Heath Ledger 32 years later when his performance in "The Dark Knight" earned him the Academy Award for Best Supporting Actor in 2008.