Archimedes -Considered to be the greatest mathematician from classical times til this day-He found out how to measure volume in an object -He was a mathematician, physicist, engineer, astronomer, inventor, and scientist

-He lived at the same time as Pericles -1st person to believe that diseases were caused naturally, instead of the gods-Hippocrates and his followers were the first to come up with many diseases and medical conditions Hippocrates

-Father of Geometry - Create "The Elements" which was used for over 2,000 years to learn geometry -He set a high bar for clear and structured thinking Euclid Pythagoras -He was born in 569 BCE-He perfected his method of traveling education -The most important mathematician of his time