He earned his MS in Extension Education, also at UMC, in 1962. In 1967, the University of Nebraska, at Lincoln, awarded Gross a Ph.D. in Adult Education. Gross served as Clinton County, Missouri Balanced Farming Agent from 1955 to 1959, and as Harrison County Extension Director from 1959 to 1965. From 1967 to 1971, Gross taught Extension Education courses at UMC, first as an Assistant and then an Associate Professor. He was chosen as Department Chairman in 1971 and served in that position through 1982.
Arrangement follows the original, topical order.