(1901–1980), Psychometrika, 47,(4), 375-376. References External links Lina Wøhlk Olsen, Essays on Georg Rasch and his contributions to statistics, PhD thesis Univ. of Copenhagen, in part online here Rasch Research Papers, Explorations & Explanations Elected Members of the International Statistical Institute Danish statisticians Psychometricians 1980 deaths 1901 births 20th-century Danish mathematicians