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Brief History of the Development of the Periodic Table "although Dmitri Mendeleev is often considered the father of the periodic table, the work of many scientists contributed to its present form."	History of the Periodic Table - American Chemical Society Explore the historical development of the periodic table, from early concepts to Dmitri Mendeleev"s pivotal contributions and modern arrangements.
IUPAC Periodic Table of the Elements The official International Union of Pure and Applied Chemistry Periodic Table of the Elements and related resources, including historical information.