John M. Swales. (quoted from wikipedia)

John Swales is a linguist known for his work on genre analysis in applied linguistics and ESL. He is a Professor of Linguistics and former Director of the English Language Institute at the University of Michigan. In addition to writing scholarly books and publications, John Swales is unique among applied linguists in that he is also the author of several writing textbooks for students whose native language is not English. http://www.lsa.umich.edu/ling/people/John_Swales.htm http://www.flipkart.com/genre-analysis-john-swales-michael/0521338131-fzw3f9osy2