Andreas von Antropoff

Andreas von Antropoff, born on August 16, 1878 in Reval (now Tallinn) and died on June 2, 1956 in Bonn, was an Estonian-born German chemist, who was professor at the Bonn University and is known to have coined the term Neutronium and developed a temporarily and widely used alternative periodic table of elements in 1926.

His father was Roman von Antropoff, a lawyer and owner of a manor house and his mother was Sophie Emilie von Antropoff. Antropoff had four brothers and one sister:

From 1889 to 1892 Andreas von Antropoff attended the Domschule of the Tallinn Cathedral, in 1893 the Lajusschule and later the secondary school in Reval. He studied mechanical engineering at the Polytechnic School in Riga from 1897 to 1899 and chemistry from 1899 to 1904.

From 1904 to 1907 he studied chemistry in Heidelberg, where he graduated as a Doctor of Science (Dr. phil. nat.). In 1907 and 1908 he worked as a researcher at the University College London under William Ramsay.

From 1908 to 1915 he was assistant and associate professor and from 1911 to 1915 lecturer for inorganic chemistry at the Riga Polytechnic School. In 1911 he made his Magister degree at the Saint Petersburg State University and was department head at the Central Chamber for Measures and Weights in Saint Petersburg.

In 1916 he was arrested on allegations of espionage in connection with World War I and imprisoned from July 1916 until March 1917 in Saint Petersburg. From September 1917 until January 1918 he served in the military. In 1918 he was again arrested for political reasons by Bolsheviks of the Petrograd Soviet.

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