| 词条 | Thomas Fuller (mental calculator) |
| 释义 |
HistoryBorn 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. Both Fuller and the Coxes were illiterate. The Coxes owned 16 slaves, and appeared to value Fuller the most; he expressed gratitude for not being sold.[2] Stories of his abilities abounded through the Eastern seaboard. His skill was even used as proof that enslaved Blacks were equal to whites in intelligence, which fueled some pro-abolitionist discussion. Documentation of abilitiesWhen Fuller was about 70 years old, William Hartshorne and Samuel Coates of Pennsylvania were in Alexandria and, having heard of Fuller's powers, sent for him. They asked him two questions which satisfied their curiosity. First, when they asked him how many seconds there were in a year and a half, he answered each question in turn in about two minutes, 47,304,000. Second, when they asked how many seconds a man has lived who is 70 years, 17 days and 12 hours old, he answered in a minute and a half 2,210,500,800. One of the men was working out the problems on paper, and informed Fuller that he was wrong, because the answer was much smaller. Fuller hastily replied, "'Top, massa, you forget de leap year." When the leap year was added in, the sums matched.[3] Despite Fuller's perfect answers, it appeared to Hartshorne and Coates that his mental abilities must have once been greater. They wrote: He was gray-headed, and exhibited several other marks of the weakness of old age. He had worked hard upon a farm during the whole of life but had never been intemperate in the use of spirituous liquors. He spoke with great respect of his mistress, and mentioned in a particular manner his obligations to her for refusing to sell him, which she had been tempted to by offers of large sums of money from several persons. References1. ^W. W. Rouse Ball (1960) Calculating Prodigies, in Mathematical Recreations and Essays, Macmillan, New York, chapter 13. 2. ^"A wizard in any age" Christian Science Monitor, February 12, 1980 3. ^[https://archive.org/stream/americanmuseumor05care#page/62/ Account of a wonderful talent for arithmetical calculation, in an African slave, living in Virginia.] In: The American Museum: Or, Repository of Ancient and Modern Fugitve Pieces, etc. Prose and Poetical. Vol. 5 (1789), p. 62-63. External links
5 : American slaves|Mental calculators|African-American people|1710 births|1790 deaths |
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