The great biologist Lynn Margulis, one of the foremost scientists of the 20th Century, died yesterday. This Spanish language obituary is the only one available so far. I'll add links to others as they become available.
[UPDATE: Margulis in action at Oxford, discussing evolution.]
[UPDATE 2: In comments, Catarina points us to a nice post on her ideas and her courage.]
[The NYT obituary is here.]