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 discovery of Mendeleev’s periodic table The first version of Mendeleev’s periodic table, published in 1869, was reportedly completed in just one day. Historians have pieced together what ...