Thomas Garrett. Born at Riverview, near here, Garrett was a prominent abolitionist and Underground Railroad activist. He moved to Wilmington, DE in 1822, and sent many fugitive slaves to his brothers at Riverview, Fernland Farms, and here at Thornfield. He was a devout Quaker and associate of Harriet Tubman and William Still. Although convicted and fined, he aided 2,700 freedom seekers; his commitment to their emancipation was unwavering.