Jan Hemelrijk (28 May 1918 – 16 March 2005) was a Dutch mathematician, Professor of Statistics at the University of Amsterdam, and authority in the field of stochastic processes.
[1] Hemelrijk received his PhD in 1950 at the University of Amsterdam with a thesis entitled "Symmetry Keys and other applications of the theory of Neyman and Pearson" under supervision of David van Dantzig.
[2] After graduation Hemelrijk started his academic career as assistant to David van Dantzig at the Centrum Wiskunde & Informatica in Amsterdam, and later Head of the Statistical Consulting Department.
[3] Among his doctoral students were Gijsbert de Leve (1964), Willem van Zwet (1964), R. Doornbos (1966), Ivo Molenaar (1970), Robert Mokken (1970) and J. Dik (1981).
Hemelrijk was President of the Netherlands Society for Statistics and Operations Research,[5] and chief editor of the Journal of the association Statistica Neerlandica.