Carol Govan talks about the personal life, unusual philosophy, and important works of Charles Darwin on April 6 at 10 at the Wellesley College Botanic Garden. English naturalist, geologist and biologist Charles Darwin (1809 – 1882) rocked the world when he published his thesis that plants evolve and change to adapt to their changing habitats. He established that the vast diversity of life on Earth has all descended from common ancestors. Friends of Wellesley College Botanic Gardens, free. Nonmembers $10. Register by calling 781-283-3094 or email bcbgfriends@wellesley.edu.