GEORG RASCH the Man Behind the Model
GEORG RASCH The Man Behind The Model Georg Rasch Benjamin Drake Wright, Ph.D. eorg Rasch, Doctor of Philosophy in mathematics upon the analytic part. What caught my interest was (1930), member of the International Statistical the theory ofLagrange equations. This resulted in my Institute (1941), charter member of the Biomet- first publication (Neilsen & Rasch 1923). rics Society (1947), Professor of Statistics at the Igot a stipendfor my studies and became amem- University of Copenhagen (1962), and Danish Knight of the ber of college Regensen where we received free room OrderGof Dannebrog (1967), was born in Odense, Denmark, and board. Since I did not see any further reason for on 21 September 1901, the youngest and "least practical" of doing arithmetical work for my living, I left Professor three brothers .' Neilsen and got another teacher, Professor Norlund, His mother was ill throughout his childhood and Rasch who had written an extremely good book on difference had few recollections of her. But his fiercely religious father equations. left deep and lasting impressions. Wilhelm Rasch, sailor, ship's Nprlund was my professorfor the rest ofmy time officer, mathematics teacher and self-anointed missionary, was, as a student, and I was his assistant teacher from 1925, "the most hard-boiled evangelist I have ever known." when I graduated, until 1940. The topics in function Wilhelm dragged his family to Svendborg in 1906 to open theory that Norlund lectured about together with the a mission high school for prospective seamen. In 1914 Georg other topics I had to study in order to lecture as his became fascinated by the trigonometry texts in his father's li- assistant built up my mathematical background.
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