<P> In 1864 , the English chemist John Newlands classified the sixty - two known elements into eight groups , based on their physical properties . </P>
<P> In 1864 , the English chemist John Newlands classified the sixty - two known elements into eight groups , based on their physical properties . </P>
who compiled the first list of all known elements
who compiled the first list of all known elements
English chemist John Newlands
English chemist John Newlands