John van de Geer

Johannes Petrus "John" van de Geer (21 June 1926, Rotterdam – 9 February 2008, aged 81)[1] was a Dutch psychologist, and Professor of Experimental Psychology at Leiden University, particularly known for his "Introduction to multivariate analysis for the social sciences".

[2] Van de Geer received his PhD degree at Leiden University in 1957 with a thesis entitled "A Psychological Study of Problem Solving" advised by Alfons Chorus.

[3] Van de Geer was appointed Professor of Experimental Psychology at Leiden University Department of Data Theory in 1961.

[3] Van de Geer was Visiting Professor at the University of Ankara in 1969.

[6] His daughter Sara van de Geer is a statistician.