Complex sentence: During his career, Frank taught and did research in departments of anthropology, economics, geography, history, international relations, political science, and sociology, in nine universities in North America, three in Latin America, and five in Europe.
Split into simpler sentences: During his career, Frank taught and did research in departments of anthropology, economics, geography, history, international relations, political science, and sociology. He worked at nine universities in North America, three in Latin America, and five in Europe.