William Wilberforce was the famous historical figure associated with the abolition of the transatlantic slave trade. As a British politician and social reformer, he dedicated a significant part of his life to fighting against the slave trade. His efforts culminated in the passing of the Abolition of the Slave Trade Act in 1807, which made it illegal to engage in the slave trade within the British Empire. Wilberforce's advocacy was characterized by a moral and humanitarian approach, and he worked closely with various abolitionist groups. His commitment to social justice has left a lasting legacy in the fight for human rights.