William S. Hutchings

William Street Hutchings
Born(1832-01-07)January 7, 1832
Manhattan, New York, US
DiedAugust 25, 1911(1911-08-25) (aged 79)
Boston, Massachusetts, US
Other namesProfessor Hutchings
Lightning Calculator
William Street Hutchins
OccupationSideshow performer
Known forMath prodigy

William Street Hutchings, (January 7, 1832 - August 25, 1911) also known as Professor Hutchings and the Lightning Calculator, was a 19th-century math prodigy and mental calculator who P. T. Barnum first billed as the "Boy Lightning Calculator". He later worked as a sideshow barker and wrote a book called The Lightning Calculator.