Bierens de Haan was a son of the rich merchant Abraham Pieterszoon de Haan (1795–1880) and Catharina Jacoba Bierens (1797–1835). In 1843 he completed a study in the exact sciences and received his
PhD from the
University of Leiden in 1847 under
Gideon Janus Verdam (1802–1866) for the work ''''. After this he became a teacher of physics and mathematics at a gymnasium in
Deventer. In 1852 he married Johanna Catharina Justina de Schepper (1827–1906) in Deventer. In 1856 he became member of the
Royal Netherlands Academy of Arts and Sciences. Since 1866 he was professor of mathematics at
Leiden University. Since 1888 he was co-editor of the works of
Christiaan Huygens and in 1892 edited the
Algebra of
Willem Smaasen (1820–1850). He had a large library on mathematics, the history of science and pedagogy, which currently resides at the
Leiden University Library. His most important contribution to mathematics consist of the issuing of a large
table of integrals '''' in 1858 (and 1867). His doctoral students include
Pieter Hendrik Schoute. == Works ==