In 1642 Blaise Pascal (1623 - 1662), the 18-year-old son of a tax collector invented what he called a numerical wheel calculator in order to help his father with his taxation duties. ... The loss of interest came about when he realised that the Difference Engine was a special-purpose machine capable of a single operation. ... Atanasoff) and his graduate student (Clifford Berry) envisioned an all-electronic computer that applied Boolean Algebra to computer circuitry. ... He graduated in 1935 at Kings College, Cambridge with a B.A in mathematics and won a Smiths prize in 1936 on a paper he wrote...

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• Grade Level: High School