Background
Source: Wikipedia
William Still (October 7, 1821 – July 14, 1902) was an African-American abolitionist based in Philadelphia, Pennsylvania. He was a conductor of the Underground Railroad and was responsible for aiding and assisting at least 649 slaves to freedom. Still was also a businessman, writer, historian and civil rights activist. Before the American Civil War, Still was chairman of the Vigilance Committee of the Pennsylvania Anti-Slavery Society, named the Vigilant Association of Philadelphia.