was a Greek mathematician and scientist. He was born in Syracuse, Sicily in the year 287 B.C. He was educated in Alexandria, Egypt. Due to the lack of information about Greek mathematics, many Greek mathematicians and their works are hardly known. is the exception. was very preoccupied with mathematics. For instance, he often forgot to eat and bathe because of his always wanted to solve problems. He found areas and volumes of spheres, cylinders and plain shapes. He showed that the volume of a sphere is two-thirds of the volume of the small ....