Justin Corfield has been teaching history and international relations at Geelong Grammar School in Australia since 1993. He is the co-author, with his father, of the Encyclopedia of Singapore (Scarecrow, 2006), the first encyclopedia to be published on the country.

The Historical Dictionary of Singapore relates this history of this country through a chronology, an introductory essay, an expansive bibliography, and over 500 cross-referenced dictionary entries on significant persons, events, places, organizations, and other aspects of Singapore history from the earliest times to the present.