Democratic presidential electors revolt against Trump. The Electoral College could see a historic number of 'faithless electors.'. Some presidential electors are lobbying their counterparts in other states to reject their oaths to vote against Donald Trump when the Electoral College meets on Dec. 19. | AP Photo.
*William Still - Former slave who purchased his own freedom and then became a leader in the Underground Railroad. He also wrote a book preserving the stories of escaped slaves. *Frederick Douglass - African-American abolitionist and publisher of the North Star newspaper.
Harriet Tubman is perhaps the most well-known of all the Underground Railroad's conductors.. During a ten-year span she made 19 trips into the South and escorted over 300 slaves to freedom.