History question

Underground Railroad: The William Still Story

There are the film link:

http://www.pbssocal.org/programs/underground-railroad-william-still-story/underground-railroad-william-still-story-underground-railroad-william-still-story/

How is William Still’s character developed by the events of his childhood and young adulthood?

Give three examples of what William Still is able to accomplish to help the abolition movement from his location in Philadelphia?

1.

2.

3.

In your opinion, why is William Still not as popularized as Harriet Tubman?