Guide to the Leif D. Espenas Papers

Print this Finding Aid | Email this Finding Aid


Overview of the Collection

Creator: Espenas, Leif D.
Title: Leif D. Espenas Papers
Dates: 1938-1970 ( inclusive )
1948-1967 ( bulk )
Quantity: 5.5 cubic feet (6 boxes)
Collection Number: MSS Espenas
Summary: The Leif D. Espenas Papers document Espenas' work as a forest products researcher and administrator with the Oregon Forest Products Laboratory and the Oregon State University Forest Research Laboratory. Espenas joined the Forest Products Laboratory as a Wood Technologist in 1947 and was a researcher at the laboratory until his death in 1973. His research speciality was kiln drying and wood-moisture relations.
Repository: Oregon State University Libraries, Special Collections & Archives Research Center
Contact Information: Special Collections & Archives Research Center
121 The Valley Library
Oregon State University
Corvallis OR
Telephone: 541-737-2075
Fax: 541-737-8674
Languages: Materials in English. 

Biographical Note

Leif Dedrick Espenas became a Wood Technologist at the Oregon Forest Products Laboratory in 1947 and Head of Forest Products Research from 1959 until 1965, when he returned to full-time research until his death in 1973. His research specialities were kiln drying of wood and wood-moisture relations. Espenas earned a BS degree from the New York State College of Forestry at Syracuse University in 1938 and his MS degree in 1940 from the University of California at Berkeley. Espenas was a technologist with the U.S. Forest Service Forest Products Laboratory in Madison, Wisconsin, from 1942 until 1947.

Espenas was born in Cazenovia, New York in 1915 and died in Corvallis, Oregon, in 1973.

Content Description

The Leif D. Espenas Papers document Espenas' work as a forest products researcher and administrator with the Oregon Forest Products Laboratory and the Oregon State University Forest Research Laboratory. The papers include Espenas' research records as well as laboratory administrative records.

Espenas' research records include project files, proposals, reports and publications, reference materials, data and graphs, and monthly progress reports pertaining to a variety of research projects. Research topics include kiln drying, air drying of tanoak, grain doors (for railroad cars transporting grain), drying of madrone, moisture diffusion in red cedar and redwoods, drying stress analysis, end coating, and solvent seasoning. The papers also include reports by Espenas completed in the 1940s while he was working with the University of Wisconsin.

The administrative records include extensive records of the Forest Products Research Advisory Committee meetings, annual reports to the Advisory Committee, lists of research projects underway at the Laboratory, file indexes, procedures and policies, budgets, and correspondence documenting research administration at the Laboratory. These are primarily from the time period when Espenas was Head of Forest Products Research.

Use of the Collection

Restrictions on Access :  

Collection is open for research.

Preferred Citation :  

Leif D. Espenas Papers, Oregon State University Archives, Corvallis, Oregon.

Administrative Information

Additional Reference Guides :  

Preliminary container list available online.

Processing Note :  

This collection is not fully processed; this guide is preliminary.

Acquisition Information :  

The Espenas Papers were transferred to the Archives by the Forest Products Department in 1999.

Related Materials :  

The Forest Products Department Records (RG 003) include extensive documentation of forest products research and teaching at Oregon State. The Archives' collections include the papers of several other forest products faculty, including George H. Atherton, Stanley E. Corder, Douglas W. Glennie, Robert D. Graham, and James W. Johnson. The Augy H. Rauch Collection documents Rauch's wood products research. Additional materials pertaining to the Forest Research Laboratory are held in the College of Foresty (RG 139) Records and Photographs (P 061) as well as the College of Agricultural Sciences (RG 158) Records. Biographical information for Espenas is available in the College of Forestry Records (RG 139). Several reports written by Espenas are available online in ScholarsArchive@OSU.


  • Corporate Names :
  • Oregon State University--Research.
  • Subject Terms :
  • Forest products--Research--Oregon.
  • Forestry laboratories--Oregon--Corvallis.
  • Lumber--Drying.
  • Tanoak--Drying.
  • Wood--Moisture.
    • Other Creators :
    • Oregon Forest Products Laboratory.
    • Oregon State University. Forest Research Laboratory.

    ^ Return to Top