Elling Holst
| Elling Holst | |
|---|---|
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| Born | Elling Bolt Holst 19 July 1849 Drammen, Norway |
| Died | 2 September 1915 (aged 66) Bærum, Norway |
| Residence | Norway |
| Nationality | Norwegian |
| Doctoral advisor | Sophus Lie |
Elling Bolt Holst (19 July 1849 – 2 September 1915) was a Norwegian mathematician, biographer and children's writer.
Holst was born in Drammen, a son of bookseller Adolph Theodor Holst and Amalie Fredrikke Bergh. He was a grandson of merchant and politician, member of the Storting, Elling Mathias Holst. He was married twice, first to Inger Skavlan, and was a brother-in-law of Olaf Skavlan, Sigvald Skavlan, Aage Skavlan and Harald Skavlan. In 1900 he married Marie Michelet (1872–1960), a sister of Simon Michelet.
Holst enrolled as a student at the University in Christiania, his doctoral advisor was Sophus Lie, and he graduated as cand.real. in 1874. He continued his studies in Germany, where Felix Klein was among his teachers. Back in Christiania he was appointed teacher at Aars og Voss. His thesis Et par syntetiske Methoder, især til Brug ved Studiet af metriske Egenskaber was finished in 1882. Holst lectured in mathematics at the University of Oslo from 1894. Among his other mathematical works are his contribution from 1878, Om Poncelets betydning for geometrien, and several course books. He wrote biographies of several mathematicians, including Cato Maximilian Guldberg, Carl Anton Bjerknes, Sophus Lie and Niels Henrik Abel.
Holst is particularly known for his children's books Norsk Billedbog for Børn, three collections from 1888, 1890 and 1903 (with illustrations by Eivind Nielsen). The first of these books has been called Norway's first national picture book (although a picture abc had been published previously, in 1876). Holst started collecting traditional poems for children, several of which were first published in Norwegian writing in these books. These poems, such as "Ride, ride ranke", "Bake kake søte", "Kjerringa med staven", "Hoppe! sa gåsa" and "Du og jeg og vi to", have had a constant popularity over many years, and Norsk Billedbog for Børn has been reissued several times. Also contemporary poetry was included in the books, such as some poems by Henrik Wergeland, "Kom bukken til gutten" by Bjørnstjerne Bjørnson, and "Blaamand" by Aasmund Olavsson Vinje.
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