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24 quotes by Lynn MargulisLynn Margulis (born Lynn Petra Alexander; March 5, 1938 – November 22, 2011) was an American biologist best known for her scientific theory on the origin of complex cells, called symbiogenesis. She obtained a bachelor degree from the University of Chicago at age 19, and married Carl Sagan, then a physics student. She graduated with master's degree in genetics and zoology from the University of Chicago at age 22. While working for a PhD at... Read full biography of Lynn Margulis → |
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