1. Purdue University; West Lafayette IN 47907
2. Southern Illinois University; Carbondale IL 62901
3. University of Kentucky; Lexington KY 40546
4. University of Missouri; Columbia MO 65211
5. Emeritus; North Carolina State University; Raleigh NC 27695
6. University of Georgia; Tifton GA 31797
7. University of Illinois; Urbana IL 61801
8. Kansas State University; Manhattan KS 66506
9. University of Tennessee; Jackson TN 38301
10. South Dakota State University; Brookings SD 57007
11. Ohio State University; Columbus OH 43210
12. University of Nebraska; Lincoln NE 68583