Frederick Douglass: An escaped slave who became a renowned abolitionist speaker, writer, and statesman.
William Lloyd Garrison: A white abolitionist leader who published the influential anti-slavery newspaper The Liberator.
John Brown: A white abolitionist who led a raid on Harpers Ferry in an attempt to incite a slave rebellion.
Sojourner Truth: An African-American abolitionist and women's rights activist who escaped slavery.
Charles Sumner: A white senator from Massachusetts who was a vocal opponent of slavery and gave memorable speeches on the Senate floor that angered pro-slavery senators.
Abraham Lincoln: The 16th President of the United States who led the Union to victory in the Civil War and eventually ended slavery by issuing the Emancipation Proclamation.
These were just a few of the many individuals who took a stand to help freedom, justice and to end to slavery before, during, and after the civil war.