Interview with Jack L. Groff, a sheep and goat specialist from Kerrville, Texas. Mr. Groff, describes his career advising ranchers how to raise goats and sheep for over 50 years, his activities as a mohair and wool specialist for Texas A&M, and his involvement with the National Mohair Council. He discusses the uses and production of mohair and wool fibers, and tracks the industry's spatial and economic growth over the years.