William Still, sometimes called "The Father of the Underground Railroad", helped hundreds of slaves to escape (as many as 60 a month), sometimes hiding them in his Philadelphia home.
威廉·斯蒂尔常被称为“地下铁路之父”，他帮助了数以百计的奴隶逃走（多时达每月60人），有时帮助他们藏在自己在費城的家里。