Resolution in Memoriam: Hans J. Zassenhaus
The Board of Trustees of The Ohio State University expresses its sorrow upon the death on November 21, 1991, of Hans J. Zassanhaus, Professor Emeritus in the Department of Mathematics.
Hans Zassenhaus was born in Coblinz-Moselweiss, Germany, on May 28, 1912. After four years of undergraduate and graduate studies at the University of Hamburg, he received his doctorate in June 1934 at the age of 22 in 1938, Professor Zassenhaus earned his 'Habilitation' with a fundamental paper laying the foundations of a new area of research. During his long and illustrious career, he taught at several universities: Rostock University, Germany (1934-36), University of Hamburg. Germany (1936-48); University of Glasgow, Scotland (1948-49), Fellow of the British Council; McGill University. Canada, (1949-59), Peter Redpath Professor; University of Notre Dame, (1959-63); The Ohio State University (1963-64), Mershon Visiting Professor; and The Ohio State University, (1964-82), Research Professor. Some of the visiting positions held by him were: Gauss Professor, Gottingen University; Heidelberg University; UCLA; and Warwick University.
Professor Zassenhaus was a truly outstanding mathematician and most inspiring colleague. Over a period of 58 years, he contributed about 150 research papers. His last paper appeared in 1991. His research interests included algebraic number theory, geometry of numbers, algebra and partial differential equations of mathematical physics. He had authored several books. His famous "Theory of Groups" (1949) remains an indispensable reference even today. Under his leadership, "The Journal of Number Theory" was established at Ohio State in 1969. Professor Zassenhaus took a profound interest in teaching of mathematics at all levels. He directed a large number of Ph.D. dissertations, 20 at Ohio State. He was very kind to his students and was most generous in sharing his time and creative ideas. Each summer, for several years, he taught a selected group of gifted high school students.
Professor Zassenhaus' numerous academic honors included: The Lester Ford Prize of the Mathematics Association of America, membership in The Royal Society of Canada. Distinguished Fairchild Scholar at the Cailfornia Institute ot Technology, Distinguished American Scientist Award of the Alexander von Humboldt Foundation, Sesquicentennial University Professor at Montreal University, Distinguished Research Award, The Ohio State University (1981). and several honorary degrees.
On behalf of the University, the Board of Trustees expresses to the family its deep sympathy and sense of understanding in their loss, It was directed that this resolution be inscribed upon the minutes of the Board of Trustees and that a copy be tendered to the family as an expression of the Board's heartfelt sympathy.
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