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## Archimedes of Syracuse

This mathematician's great theorem was chosen by Dunham as the subject of a chapter on estimation of the area of a circle and the value of π. Using only the rudimentary arithmetic available at the time, he calculates π correctly to 2 decimal places by estimating it to be between 3 1/7 and 3 10/71.

## Euclid

This mathematician's book becomes one of the most studied and widely-dispersed math texts ever, and it establishes him as the preeminent mathematician of his day.

## HIppocrates of Chios

This individual is a Greek mathematician from the fifth century BC. Little is known about him directly, with most of his biographical information coming from later sources that cite his work.

## Heron

This mathematician developed a method for determining the area of a triangle given only the length of the three sides.

## Gerolamo Cardano

This individual was an eccentric and superstitious physician and...

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