Elizabeth Blackwell
Elizabeth Blackwell at Geneva Medical College in upstate New York. Her presence caused quite the commotion at the all-male school — and changed American history. Getty Images
The Bowery Boys: New York City HistoryThe Bowery Boys: New York City HistoryElizabeth Blackwell at Geneva Medical College in upstate New York. Her presence caused quite the commotion at the all-male school — and changed American history. Getty Images