Prof. Thomas Lee received his Ph.D. in Linguistics from UCLA. His research interests lie in language acquisition and syntax/semantics, with particular reference to issues of learnability and the first language acquisition of Cantonese and Mandarin. His publications have focused on children’s understanding and use of logical structures, and their implications for language and cognitive development. Prof. Lee led the construction of the Hong Kong Cantonese Child Language Corpus (CANCORP) and the Chinese Early Language Acquisition (CELA) corpus. He is on the editorial boards of a number of journals, including Contemporary Linguistics, Journal of East Asian Linguistics, and Language Acquisition.