ఏప్రిల్ 2011లో ఎవరు మరణించారు

American Nobel Prize-winning chemist who illuminated the nature of chemical bonding, especially in boranes, and later studied protein structures

American director, producer, and screenwriter known for realistic New York dramas tackling social injustices and questioning authority

American physician, geneticist, and Nobel Prize winner who identified the hepatitis B virus and contributed to its vaccine development

Brazilian politician who served as the 33rd President of Brazil and held key roles as Vice President, Senator, and Governor