Esther Pohl Lovejoy was the first woman to serve as Portland's public health officer. She'd given years of her life to the fight to ensure Oregon milk was at least as safe as its drinking water. But she couldn't save her only boy from a brief, violent illness. Freddie was 7 when he died from drinking tainted milk...Lovejoy was so driven, she rose from being a shop girl to putting herself through medical school in just a few years, in an era when women doctors were extremely rare. (story at link)