![Dmitri Mendeleev Image source: American Institute of Physics Dmitri Mendeleev Image source: American Institute of Physics](http://www.timeone.ca/wp-content/uploads/2012/12/Dimitri-Mendeleev.jpg)
Image source:
American Institute of Physics
Dmitri Mendeleev was a 19th-century chemist who classified the then-known elements into the Periodic Table.
Image source:
American Institute of Physics
Dmitri Mendeleev was a 19th-century chemist who classified the then-known elements into the Periodic Table.