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 enslaved Africans to freedom. Still was also a businessman, writer, historian and civil rights activists. Before the American Civil War, Still was chairman of the Vigilance Committee of the Pennsylvania Anti-Slavery Society, named the Vigilant Association of Philadelphia. He directly aided fugitive enslaved Africans and also kept records of the people served in order to help families reunite.

Was an African-American civil rights and human rights activist. She was a largely behind-the-scenes organizer whose career spanned more than five decades. In New York City and the South, she worked alongside some of the most noted civil rights leaders of the 20th century, including W. E. B. Du Bois, Thurgood Marshall, A. Philip Randolph, and Martin Luther King Jr. She also mentored many emerging activists, such as Diane Nash, Stokely Carmichael, and Bob Moses, as leaders in the Student Nonviolent Coordinating Committee(SNCC).

Was an American voting and women's rights activist, community organizer, and leader of the civil rights movement. She was the vice-chair of the Freedom Democratic Party, which she represented at the 1964 Democratic National Convention. Hamer also organized Mississippi's Freedom Summer along with the Student Nonviolent Coordinating Committee(SNCC). She was also a co-founder of the National Women's Political Caucus, an organization created to recruit, train, and support women of all races who sought election to government offices.