Complex sentence: John DeFrancis (born 1911) is a Chinese language professor emeritus and researcher at the University of Hawaii who wrote a number of Chinese instructional texts (his "Readers" series is particularly well regarded) in the 1960s and 1970s.
Split into simpler sentences: John DeFrancis (born 1911) is a Chinese language professor emeritus and researcher at the University of Hawaii. He wrote a number of Chinese instructional texts (his "Readers" series is particularly well regarded) in the 1960s and 1970s.