Thomas Fuller, familiarly known as the Virginia Calculator, was a native of Africa. At the age of fourteen he was stolen, and sold into slavery in Virginia, where he found himself the property of a planter residing about four miles from Alexandria. Born in Africa somewhere between present-day Liberia and Benin, Fuller was enslaved and shipped to America in 1724 at the age of 14, eventually becoming the legal property of Presley and Elizabeth Cox of Alexandria, Virginia. The Coxes owned 16 slaves, and appeared to value Fuller the most; he expressed gratitude for not being sold. He did...