Dellen, Vilgelm Karlovich

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Dellen, Vil’gel’m (Vasilii) Karlovich

 

Born 1820 in Jelgava, now in the Latvian SSR; died 1896 in Iur’ev, now Tartu, Estonian SSR. Russian astronomer. Corresponding member of the St. Petersburg Academy of Sciences (1871).

Dellen graduated from the University of Dorpat (Tartu) in 1839; he was a student of V. Ia. Struve. From 1844 to 1890 he worked as an astronomer-observer at the Pulkovo Observatory. He worked out a method of determining time using a portable transit instrument set up on the vertical of the North Star.

REFERENCE

Vitram, F. F. “V. K. Dellen” (obituary). Izvestiia Russkogo geograficheskogo obshchestva, 1898, vol. 33, issue 5.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.