Widely known for the book and miniseries 'Roots' as well as 'The Autobiography of Malcolm X,' Alex Haley was a U.S. writer whose works of historical fiction and reportage depicted generations of African-American lives.
A talented yet troubled grunge performer, Kurt Cobain was the frontman for Nirvana and became a rock legend in the 1990s with albums 'Nevermind' and 'In Utero.' He committed suicide at his Seattle home in 1994.
Friday's Google Doodle celebrated what would have been the 71st birthday of author Octavia E. Butler. Known for such works as 'Kindred' and the 'Parable' series, she was the first science-fiction writer to receive a "genius" grant from the MacArthur Foundation.
Carl Sagan was probably the most well-known scientist of the 1970s and 1980s. He studied extraterrestrial intelligence, advocated for nuclear disarmament, and co-wrote and hosted 'Cosmos: A Personal Voyage.'