Zerah Colburn (math prodigy)
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Zerah Colburn (1804-1840) was a famous child prodigy of the 19th century. Born in Vermont, Zerah was thought to be mentally retarded until the age of seven. The reason for everyone changing their mind about his mental abilities is that after six weeks of schooling his father overheard him repeating his multiplication tables. His father wasn't sure whether or not he learned the tables from his older brothers and sisters but he decided to test him further on his mathematical abilities and discovered that there was something special about his son when Zerah correctly multiplied 13 and 97.
Colburn's abilities developed rapidly and he was soon able to solve such problems as the number of seconds in 2,000 years, the product of 12,225 and 1,223, or the square root of 1,449. When he was seven years old he took six seconds to give the numbers of hours in thirty-eight years, two months, and seven days.
His father soon began to capitalize on his boy's talents by taking Zerah around the country and eventually abroad, demonstrating the boy's exceptional abilities and also trying to find patrons who would pay for Zerah's education. His father was not very successful in finding patronage for Zerah's education therefore his schooling was rather irregular. In spite of his unconventional schooling, he also showed extreme talent in languages. Colburn never had great success in any of his careers, which ranged from a mathematician, a teacher of languages and literature and even a preacher.