In the 1940s he worked with Henry Courtenay Fenn on Chinese grammar at the Institute of Far Eastern Languages at Yale.
[2] He was also part of the team which developed the first Chinese language teaching computer system.
His work has been shown in numerous venues including: E & J Frankel Gallery, 1980 (New York, NY), Rijksmuseum Voor Volkenkunde, 1981 (Leiden, Netherlands), Asia Society, 1984, (New York, NY), University of Iowa, 1991, National Museum of Far Eastern Antiquities, 1994 (Stockholm, Sweden) The Newark Museum, 2000 (Newark, New Jersey) Duke University Art Museum, 2002 (Durham, North Carolina).
During his lifetime, he and his wife Sum Wai (沈慧) amassed the largest private collection of Bada Shanren's art.
The Freer Gallery of Art later bought the entire collection from the couple's estate.