curriculum vitae thomas b whitaker phd agricultural engineer retired us department agriculture agricultural research service market quality handling research unit raleigh north carolina 276957625 919 5156731 919 5157760 fax email tom whitakerncsuedu professor emeritus biological agricultural engineering department nc state university raleigh north carolina fellow american society agricultural engineers fellow american peanut research education society education bs agricultural engineering nc state university ms agricultural engineering nc state university phd agricultural engineering ohio state university 1962 1964 1967