Pioneering Smallpox Inoculation

Knowing it could save her daughter's life, Mary Wortley Montagu pioneered inoculation efforts in England. But rather than being hailed as a hero, she faced fierce criticism, and even mockery by a once-trusted friend. She also fought for the rights of her mentally ill sister. Guest: Jo Willett, author of "The Pioneering Life of Mary Wortley Montagu: Scientist and Feminist"