pythagoras

birth

569

on the island of Samos, next to Mileto

First contribution

590

i explain the eclipses and the lunar phases

second contribution

595

some researches assign the cube, tetrahedrom and docexahedrom to Pythagoras

third contribution

610

observed and experimented using four hammers. He nuild a escale from 1:2 2:3

quarter contribution

620

pythagoras theorem

fifth contribution

620

death

630

escaped from Metaponio and ended his last fays.