the first person to suggest the idea of atoms in the 4th century B.C.
--ANSWER--
He was a Greek philosopher who lived sometime between 460 and 370 B.C.
He developed the idea which his teacher...
Democritus is a Greek philosopher (born c. 460 --- died c. 370 BC). Though only a few fragments of his work survive, he was apparently the first to describe invisible "atoms" as the basis of all...
he thought the atom looked like small, hard particles made of single material formed into different shapes. also that atoms always moving and that they form different materials by joining together....