Archimedes invented one of the most fundamental concepts of physics – the center of gravity. invented the sciences of mechanics and hydrostatics. discovered and mathematically proved the formulas for the volume and surface area of a sphere.

Hippocrates known as the founder of medicine believed that the body must be treated as a whole and not just a series of parts. release medicine from any kind of religious superstition and to establish it as a science based on observation and case recording.

Euclid Greek mathematician who is credited as being the "Father of Geometry". his collection of 13 books, dealing with geometry, called The Elements. He is most famous for his works in geometry, inventing many of the ways we conceive of space, time, and shapes.

Pythagoras Pythagoras founded the Pythagorean School of Mathematics in Cortona some of them may have actually been the work of his students. He is credited with many contributions to mathematics