William Lloyd Garrison was a prominent American abolitionist, journalist, and social reformer born in 1805. He is best known for founding the anti-slavery newspaper, The Liberator, in 1831, which became a powerful voice against slavery. Garrison believed in immediate emancipation for all enslaved people and used his writing to inspire others to join the fight for freedom and equality. Garrison was also a co-founder of the American Anti-Slavery Society and played a crucial role in the abolitionist movement. His passionate speeches and writings helped raise awareness about the injustices of slavery, making him a key figure in the struggle for civil rights in the United States.