- Oliver, A. W. (Alfred Weaver), 1894 4
- Oregon Agricultural Experiment Station4
- Potter, E. L. (Ermine Lawrence), 1884 4
- French, H. T. (Hiram Taylor), 1862 3
- Oregon Agricultural College. Experiment Station3
- Larsen, Leland Murray2
- Oregon State Agricultural College. Agricultural Experiment Station2
- Thompson, C. D. (Charles D.)2
- Withycombe, James, 1854 2
- Anglemier, A. F. (Allen Francis)1
- Bellatty, Paul T.1
- Chapin, Roy Elliott1
- Fjeldsted, E. J. (Ezra James), 1889 1
- Gill, Donald Ralph1
- Hamstreet, John Leslie, 1940 1
- Huang, Anita Wong1
- Kennick, Walter Herbert1
- Kent, F. L. (Fred Leroy), 1868 1
- Kwansa, Wilhelmina1
- Oregon Agricultural College. Extension Service1