"1850Z"^^ . . "1913Z"^^ . . . . "1913-09-17Z"^^ . "Herman Valentiner"@en . . "Danish mathematician" . "Herman Valentiner (8 May 1850 Gjorslev \u2013 17 September 1913 Kopenhagen) was a Danish mathematician who introduced the Valentiner group in 1889.Valentiner earned his Ph.D. in 1881 from 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 . "1850-05-08Z"^^ . "Valentiner, Herman"@en .