Wessel, Caspar

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 It might be outdated or ideologically biased.

Wessel, Caspar

 

Born June 8, 1745, in Jonsrud, Norway; died Mar. 25, 1818, in Copenhagen. Danish mathematician. Surveyor by profession.

Wessel is the author of the work Essay on the Analytic Representation of Direction (1799), devoted to the theory of vectors in a plane and three-dimensional space. This work provided for the first time a geometrical representation of complex numbers. Wessel’s work remained unknown for a century; during that time his results were being rediscovered independently.

REFERENCE

Wieleitner, H. Istoriia matematiki ot Dekarta do serediny 19 stoletiia, 2nd ed. Moscow, 1966. (Translated from German.)
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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