Axel Sophus Guldberg

Axel Sophus Guldberg (2 November 1838 – 28 February 1913) was a Norwegian mathematician.

Biography
Born in Christiania (now called Oslo), Guldberg was the second oldest out of 11 siblings. He and his siblings were initially homeschooled, but he and his older brother, Cato Maximilian Guldberg, later began going to school in Fredrikstad, where they lived together with relatives. He completed his examen artium in 1856, cand.real. in 1863 and dr.philos. in 1867.

In 1863, he was an adjunct professor in Drammen. From 1864 to 1865, he studied mathematics in Germany and France, while simultaneously on his honeymoon. In 1865, Guldberg became a rector in Stavanger. The same year, he began teaching mathematics at the Norwegian Military Academy until 1899.

He was an important figure in the insurance industry. He also served in the Norwegian law commission.

In 1866, he had a son, Alf Victor Guldberg, with his wife, Fredrikke Borchsenius.