"Herman Valentiner (8 May 1850 – 17 September 1913) was a Danish mathematician who introduced the Valentiner group in 1889.
Valentiner earned his Ph.D. in 1881 from ...
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the University of Copenhagen with a thesis on space curves, and took a teaching position. However, soon afterwards he moved to a Danish life insurance company." - (en.wikipedia.org 11.08.2021)
