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Clyde M. Christensen manuscripts

Identifier: ua-00747

Scope and Content

The collection contains manuscripts of articles and books by Clyde M. Christensen. The collection does not include copies of all of his manuscripts, and does not include materials regarding his most famous publication, Molds and Man.


  • Creation: 1955-1965


Language of Materials

Collection material in English

Use of Materials

Items in this collection do not circulate and may be used in-house only.


Researchers may quote from the collection under the fair use provision of the copyright law (Title 17, U.S. Code). Requests to publish should be arranged with the University of Minnesota Archives.

Biographical Sketch of Clyde M. Christensen (1905-1993)

Clyde Martin Christensen, B.S. (1929), M.S. (1930), Ph.D. (1937), University of Minnesota. Professor of botany and plant pathology at the University of Minnesota (1934-1975). Expert in the field of mycology, with particular emphasis on fungi and wheat storage.

Clyde Martin Christensen was born on August 8, 1905 in Sturgeon Bay, Wisconsin. He earned his B.S. in 1929, M.S. in 1930 and Ph.D. in 1937, all from the University of Minnesota. In 1934, Dr. Christensen joined the faculty at the University as an instructor in plant pathology. He was promoted to assistant professor in 1939, associate professor in 1947 and professor in 1948. Between 1959 and 1968, Christensen worked on a temporary on-and-off again basis for the Rockefeller Foundation agricultural program in Mexico.

Christensen was an expert in the field of mycology, the study of fungi, especially in its relationship to the storage and spoilage of wheat. His research was also credited as aiding the discovery of better molds for penicillin. He published over 200 articles and books during his tenure, including Molds and Man. In 1970, Christensen was named a fellow of the American Phytopathological Society (APS).

In 1973, Christensen was named Regents' professor, the highest honor bestowed upon the faculty at the University of Minnesota, and the first faculty member in the College of Agriculture to receive the award. He retired in 1975 as Regents' professor emeritus. Clyde Christensen died on October 11, 1993.


0.2 Cubic Feet (1 hollinger)


Collection contains manuscripts of books and articles by Clyde M. Christensen, Regents' professor emeritus of plant pathology at the University of Minnesota.

Source of acquisition

The collection was deposited in University Archives on February 3, 1966.

Related Materials in University Archives

Department of Plant Pathology records

Processing Information

Collection processed by Susan Hoffman with funds from the College of Food, Agriculture, and Natural Resource Sciences (CFANS) and individual donors.

Clyde M. Christensen manuscripts, 1955-1965
Karen Spilman
May 2005
Description rules
Describing Archives: A Content Standard
Language of description
Script of description
Language of description note
Finding aid written in English

Collecting Area Details

Contact The University Archives Collecting Area