Varel, Germany/varel372
Previous | Home | NextThe plate at the center of the triangle. "International Chemical Congress at Karlsruhe: Stanislao Cannizzaro had discussions with Lothar Meyer and Dmitri Mendeleev regarding atomic weights. Lothar Meyer, born in Varel August 19, 1830, discovered simultaneously with Dmitri Mendeleev the "Periodic System of the Elements," the foundation of atomic structure and of modern chemistry."
