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Gregor von Helmersen (September 29, 1803 – February 3, 1885), geologist, was a Baltic German geologist, born at Kammeri manor (in German: Duckershof), near Tartu (Dorpat), Estonia).

He received an engineering training and became major-general in the corps of Mining Engineers. In 1837 he was appointed professor of geology in the mining institute at St Petersburg of which he was also Director.

In 1839 along with Karl Ernst von Baer he founded the first serial natural scientific publication in Russia known as "Beiträge zur Kenntniss des Russischen Reiches".

A member of the Imperial Academy of Sciences St Petersburg, he founded and became the first head of the Russian Geological Committee (established 1882).

He was author of numerous memoirs on the geology of Russia, especially on the coal and other mineral deposits of the country; and he wrote also some explanations to accompany separate sheets of the geological map of Russia.

His geological work was continued to an advanced age, one of the later publications being Studien über die Wanderblöcke und die Diluvialgebilde Russlands (1869 and 1882). Most of his memoirs were published by the Imperial Academy of Sciences at St Petersburg.

[edit] References

• This article incorporates text from the Encyclopædia Britannica Eleventh Edition, a publication now in the public domain.

[edit] Links

http://www.mois.ee/english/tartu/kammeri.shtml - overview of Kammeri (Duckershof) manor in Estonian Manors Portal