J. M. Wallace-Hadrill (born August 16, 1914, in London, England) was a distinguished British medieval historian and scholar. He is renowned for his expertise in early European history and has made significant contributions to the understanding of the barbarian West and its historical development.
Professor Wallace-Hadrill traces the development of Western Europe from the dissolution of the late Roman Empire to the emergence, in the tenth century, of the individual states of medieval Europe.