Dmitri Mendeleev
Unaware of the earlier work on periodic tables going on in the 1860s, he made the following table:
By adding additional elements following this pattern, Mendeleev developed his extended version of the periodic table. On 6 March 1869, he made a formal presentation to the Russian Chemical Society, titled "The Dependence between the Properties of the Atomic Weights of the Elements", which described elements according to both atomic weight (now called "relative atomic mass") and valence. This presentation stated that
Primo Levi
He wrote two other highly praised memoirs, ("Moments of Reprieve", 1978) and ("The Periodic Table", 1975). "Moments of Reprieve" deals with characters he observed during imprisonment. "The Periodic Table" is a collection of short pieces, based in episodes from his life but including two short stories that he wrote before his time in Auschwitz. Each story was related in some way to one of the chemical elements. At London's Royal Institution on 19 October 2006, "The Periodic Table" was voted onto the shortlist for the best science book ever written.