About Donald H. Avery Donald H. Avery is Professsor of History at the University of Western Ontario, and author of Reluctant Host: Canada's Response to Immigrant Workers, 1896-1994. Books by Donald H. Avery Pathogens for War Biological Weapons, Canadian Life Scientists, and North American Biodefence by (author) Donald H. Avery The Science of War Canadian Scientists and Allied Military Technology during the Second World War by (author) Donald H. Avery Reluctant Host Canada's Response to Immigrant Workers, 1896-1994 by (author) Donald H. Avery
