Rachel Carson - Marine biologist, conservationist & native of Springdale Borough. Her book "Siilent Spring," published in 1962, documents the harmful effects of pesticides, especially on birds, and is credited with helping to launch the environmental movement. Her childhood home is now known as the Rachel Carson Homestead and is on the National Register of Historic Places. On Earth Day 2006, Allegheny County renamed the 9th Street Bridge in honor of her life & accomplishments.
Josephine Butler, died 1906 Victorian British feminist who campaigned against the sexual exploitation of vulnerable women and children, working for legislative reform to provide them with some degree of protection, equality and justice.