Dutch mathematician who made important contributions to analysis, number theory and geometry.
He was the son of the merchant Albert Kluijver (17 Febr 1831, Koog aan de Zaan – 16 December 1893 – Koog aan de Zaan) en Neeltje Dekker (25 January 1831, Wormerveer – 5 Augustus 1909, Leiden) who married 25 May 1854 at Wormerveer and got 5 children. His brother Albert Kluijver (4 December 1858, Leiden – 14 February 1938) would become professor of Dutch Letters in Groningen.
He followed the HBS at Zaandam and studied at the Polytechnische School of Delft to become a civil engineer in 1881. He did some work as an engineer, later as a mathematics teacher at HBS schools in Breda and Amsterdam.
From 28 June 1892 to 15 September 1930 he was professor at Leiden University. At that time it was “Wis- en Natuurkunde”, later the disciplines separated. .He succeeded David Bierens de Haan (3 May 1822, A ‘dam – 12 Augustus 1895, Leiden). His inaugural speech was held 28 September 1892: Beschouwingen over de nieuwere algebra. His most influential doctoral students were Johannes Gaultherus van der Corput (Ph.D 1919) and Hendrik Douwe Kloosterman (Ph. D 1924). In 1896 he got a degree honoris causa at Groningen, in 1887 he became member of the academy of science. He is known for the Kluyver’s Formula for Ramanujan’s Sum and the Franel-Kluyver Integral.
He died 31 December 1932 (22/4) at Leiden, cause unknown, exactly four years (Notice the Pythagorean saying: Four is all) after the death of his spouse on 31 December 1928 (27/9).
Personal
On 27 December 1883 he married Marie Honigh in Koog aan de Zaan. She died 31 December 1928 in Leiden. They got a son Albert Jan born 3 June 1888 and a daughter Marie Johanna Kluijver, born 17 June 1894 at Leiden. Albert Jan Kluijver changed his birth name Kluijver in Kluyver on 12-9-1941 via the court of Breda. His father is also called Kluyver in online resources, though it should probably be Kluijver.