-
330
Aristotle
proposes the 4 element theory of earth, ear, fire adn water -
400
Democritius
proposes the idaeh of the atom -
sir francis Bacon
published a book the propeses the idaeh of the scientisic method -
robet boyls
published a book the proposes the ideah of atoms and the scientific method -
henry cavendish
-
Antoine lavoisier
wrote the 1st extensive list of elements -
jacob berzelius
-
jihn neverlands and lother meyer
-
willam ramsy
-
marie currie
-
ernerst rutherford
-
henry mosley