| 1994 | Steven J. Knapp | Crop and Soil Science |
| 1995 | Daniel J. Arp | Botany and Plant Pathology |
| 1996 | David Williams | Food Science and Technology |
| 1997 | Neil E. Forsberg | Animal Sciences |
| 1998 | Patrick Hayes | Crop and Soil Sciences |
| 1999 | Richard Miller | Rangeland Resources |
| 2000 | Valerian Dolja | Botany & Plant Pathology |
| 2001 | Christopher Mundt | Botany & Plant Pathology |
| 2002 | Ken Johnson | Botany & Plant Pathology |
| 2003 | Stan Gregory | Fisheries and Wildlife |
| 2004 | Thomas Wolpert | Botany and Plant Pathology |
| 2005 | Rohrmann | Microbiology |
| 2006 | Robert Anthony | Fisheries and Wildlife |
| 2007 | Jerri Bartholomew | Microbiology |
| 2008 | Junjie Wu | Agricultural and Resource Economics Department |
