In 1870, there were over thirty thousand children living on the streets of New York and many more who wandered in and out of cellars and tenements as their familes struggled to scrape together enough income to put food on the table. Under the mentorship of sister physicians Drs. Elizabeth and Emily Blackwell, my great-great grandmother (Dr. Sarah F. Mackintosh) and her classmates worked tirelessly to care for such children. They faced fierce opposition from the medical establishment as well as from society. Riots formed outside the doors of the infirmary, and funding was difficult to obtain. It was their …