李方桂
In 1962, Serruys left Berkeley to take up a position as director of the Chinese program at Georgetown University's Institute for Languages and Linguistics. He taught there for three years until 1965, when he was offered a professorship in early Chinese language at the University of Washington by Li Fang-Kuei. Serruys accepted, and was a professor at Washington for 16 years. Serruys recalled his time at Washington as "the happiest of his life", teaching courses on Classical Chinese and the development of Chinese characters. Serruys' Classical Chinese courses were some of the first to "[approach] classical texts from the standpoint of a carefully defined grammatical framework, strictly and rigorously applied in analysis". He retired in 1981 due to a policy that required professors to retire at age 70, which was common at U.S. universities in the 20th century.