Paul Chan Pang Siu, the son of a laundry worker, studied sociology at the University of Chicago under Ernest Burgess and Louis Wirth. Afterwards, he worked as a social worker in Boston's Chinatown during the 1940s and then taught sociology for twenty years. he retired as Chairperson and Professor of Sociology from the Detroit Institute of Technology in 1971. His essays have appeared in the American Journal of Sociology, Burgess and Bogue's Contributions to Urban Sociology, and Qishiniandai [The Seventies].
John Kuo Wei Tchen, author of Genthe's Photographs of San Francisco's Old Chinatown (1984), is cofounder and historian of the New York Chinatown History Project.