Among the many pioneering chemists in attendance was one Dmitri Ivanovich Mendeleev. In 1862, French geologist Alexandre-Emile Beguyer de Chancourtois developed the 'telluric screw' – a ...
The periodic table as we know it is widely credited to Dmitri Mendeleev, a Russian chemist who kept reference cards on the elements and their atomic weight. In 1869, he noticed that the elements ...