Konrad Koerner, a leading historian of linguistics, has long said that an academic field cannot be considered to have matured until it has history as one of its subfields. The history of linguistics is a growing area, having come into its own in the 1960s, especially after Noam Chomsky looked for historical roots for his work. In contrast, the history of language teaching has been neglected, reflecting the insecurity and youth of the field. Most works on the subject have been written by linguists for other linguists, and typically focus on a specific period or aspect of history. This...