Ole Barndorff-Nielsen, Danish mathematician and statistician
Ole Eiler Barndorff-Nielsen (born 18 March 1935) is a Danish statistician who has contributed to many areas of statistical science.

He was born in Copenhagen, and became interested in statistics when, as a student of actuarial mathematics, he worked part-time at the Department of Biostatistics of the Danish State Serum Institute. He graduated from the University of Aarhus (Denmark) in 1960, where he has spent most of his academic life, and where he became professor of statistics in 1973. However, in 1962-1963 and 1963-1964 he stayed at the University of Minnesota and Stanford University, respectively, and from August 1974 to February 1975 he was an Overseas Fellow at Churchill College, Cambridge, and visitor at Statistical Laboratory, Cambridge University.

Today Barndorff-Nielsen is Professor Emeritus at Aarhus University at the Thiele Centre for Applied Mathematics in Natural Science and affiliated with the Center for Research in Econometric Analysis of Time Series (CREATES) on a part-time basis and since 2008 also affiliated to Institute of Advanced Studies, Technical University Munich.