Professor Hutchings: the Lightning Calculator
Today is the birthday of “Professor” William S. Hutchings (1832-1911), billed in vaudeville and dime museums as the “Lightning Calculator”. Hutching was a math prodigy who began working at P.T. Barnum’s American Museum as the Boy Lightning Calculator. For 25 cents he then hawked a book by the same title that revealed his arithmetical secrets (read the [...]
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