Complex sentence: Amacher began teaching as an Instructor, University of Virginia in 1970-1971, and after receiving his Ph.D. in Economics from the University of Virginia, he joined General Electric TEMPO, Center for Advanced Studies during 1971-1972.
Split into simpler sentences: Amacher began teaching as an Instructor, University of Virginia in 1970-1971. After receiving his Ph.D. in Economics from the University of Virginia, he joined General Electric TEMPO, Center for Advanced Studies, 1971-1972.