Julius Lothar Meyer

Julius Lothar von Meyer (August 19, 1830 – April 11, 1895) was a German chemist. He worked with Dmitri Mendeleev and helped him draw up the first periodic table of chemical elements. He also worked with Robert Bunsen.

Julius Lothar von Meyer
Julius Lothar Meyer
Born	August 19, 1830 Varel, Lower Saxony, Germany
Died	April 11, 1895 (aged 65) Tübingen, Baden-Württemberg, Germany
Known for	Periodic table of chemical elements
Scientific career
Fields	Chemistry
Institutions	University of Tübingen
Influences	Robert Bunsen

Table of Meyer, 1864

	Valence IV	Valence III	Valence II	Valence I	Valence I	Valence II	Mass difference
I row					Li	Be	~16
II row	C	N	O	F	Na	Mg	~16
III row	Si	P	S	Cl	K	Ca	~45
IV row		As	Se	Br	Rb	Sr	~45
V row	Sn	Sb	Te	I	Cs	Ba	~90
VI row	Pb	Bi			Tl		~90

Julius Lothar Meyer Media

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  A similar graph from a 1901 issue of PopSci magazine. (The noble gasses marked with arrows were not discovered at the time of Meyer.)

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  Lothar Meyer's periodic table, published in "Die modernen Theorien der Chemie" (1864)

Other websites

• Periodic table according to Lothar Meyer (1870)
• Video of a talk by Michael Gordin titled "Periodicity, Priority, Pedagogy: Mendeleev and Lothar Meyer" Archived 2009-06-22 at the Wayback Machine
• The Internet Database of Periodic Tables. Chemogenesis web book.